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Wikipedia:Blocking IP addresses - Wikipedia

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class="vector-toc-list"> <li id="toc-Sensitive_IP_addresses" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Sensitive_IP_addresses"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.1</span> <span>Sensitive IP addresses</span> </div> </a> <ul id="toc-Sensitive_IP_addresses-sublist" class="vector-toc-list"> <li id="toc-Sensitive_due_to_public_relations_implications" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Sensitive_due_to_public_relations_implications"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.1.1</span> <span>Sensitive due to public relations implications</span> </div> </a> <ul id="toc-Sensitive_due_to_public_relations_implications-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Sensitive_for_other_reasons" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Sensitive_for_other_reasons"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.1.2</span> <span>Sensitive for other reasons</span> </div> </a> <ul id="toc-Sensitive_for_other_reasons-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Addresses_of_organizations_with_a_responsive_IRT" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Addresses_of_organizations_with_a_responsive_IRT"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.2</span> <span>Addresses of organizations with a responsive IRT</span> </div> </a> <ul id="toc-Addresses_of_organizations_with_a_responsive_IRT-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Block_lengths" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Block_lengths"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.3</span> <span>Block lengths</span> </div> </a> <ul id="toc-Block_lengths-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Shared_IP_addresses" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Shared_IP_addresses"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.4</span> <span>Shared IP addresses</span> </div> </a> <ul id="toc-Shared_IP_addresses-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Range_blocks" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Range_blocks"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.5</span> <span>Range blocks</span> </div> </a> <ul id="toc-Range_blocks-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Problems_and_solutions" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Problems_and_solutions"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Problems and solutions</span> </div> </a> <button aria-controls="toc-Problems_and_solutions-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Problems and solutions subsection</span> </button> <ul id="toc-Problems_and_solutions-sublist" class="vector-toc-list"> <li id="toc-Shared_and_dynamic_IP_addresses" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Shared_and_dynamic_IP_addresses"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1</span> <span>Shared and dynamic IP addresses</span> </div> </a> <ul id="toc-Shared_and_dynamic_IP_addresses-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Open_proxies" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Open_proxies"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.2</span> <span>Open proxies</span> </div> </a> <ul id="toc-Open_proxies-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Indefinite_blocks" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Indefinite_blocks"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.3</span> <span>Indefinite blocks</span> </div> </a> <ul id="toc-Indefinite_blocks-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Blocking_account_creation_but_permitting_editing" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Blocking_account_creation_but_permitting_editing"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.4</span> <span>Blocking account creation but permitting editing</span> </div> </a> <ul id="toc-Blocking_account_creation_but_permitting_editing-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Notes" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Notes"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Notes</span> </div> </a> <ul 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Available in 6 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-6" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">6 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%89%E0%A6%87%E0%A6%95%E0%A6%BF%E0%A6%AA%E0%A6%BF%E0%A6%A1%E0%A6%BF%E0%A6%AF%E0%A6%BC%E0%A6%BE:%E0%A6%86%E0%A6%87%E0%A6%AA%E0%A6%BF_%E0%A6%A0%E0%A6%BF%E0%A6%95%E0%A6%BE%E0%A6%A8%E0%A6%BE%E0%A6%AF%E0%A6%BC_%E0%A6%AC%E0%A6%BE%E0%A6%A7%E0%A6%BE%E0%A6%A6%E0%A6%BE%E0%A6%A8" title="উইকিপিডিয়া:আইপি ঠিকানায় বাধাদান – Bangla" lang="bn" hreflang="bn" data-title="উইকিপিডিয়া:আইপি ঠিকানায় বাধাদান" data-language-autonym="বাংলা" data-language-local-name="Bangla" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Aide:Blocage_des_adresses_IP" title="Aide:Blocage des adresses IP – French" lang="fr" hreflang="fr" data-title="Aide:Blocage des adresses IP" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%92%D0%B8%D0%BA%D0%B8%D0%BF%D0%B5%D0%B4%D0%B8%D1%98%D0%B0:%D0%91%D0%BB%D0%BE%D0%BA%D0%B8%D1%80%D0%B0%D1%9A%D0%B5_%D0%BD%D0%B0_IP_%D0%B0%D0%B4%D1%80%D0%B5%D1%81%D0%B8" title="Википедија:Блокирање на IP адреси – Macedonian" lang="mk" hreflang="mk" data-title="Википедија:Блокирање на IP адреси" data-language-autonym="Македонски" data-language-local-name="Macedonian" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/Wikipedia:%E5%BA%83%E5%9F%9F%E3%83%96%E3%83%AD%E3%83%83%E3%82%AF" title="Wikipedia:広域ブロック – Japanese" lang="ja" hreflang="ja" data-title="Wikipedia:広域ブロック" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Wikipedia:Blocking_IP_addresses" title="Wikipedia:Blocking IP addresses – Simple English" lang="en-simple" hreflang="en-simple" data-title="Wikipedia:Blocking IP addresses" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a 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.mbox-image{border:none;padding:2px 0 2px 0.9em;text-align:center}.mw-parser-output .ombox .mbox-imageright{border:none;padding:2px 0.9em 2px 0;text-align:center}.mw-parser-output .ombox .mbox-empty-cell{border:none;padding:0;width:1px}.mw-parser-output .ombox .mbox-invalid-type{text-align:center}@media(min-width:720px){.mw-parser-output .ombox{margin:4px 10%}.mw-parser-output .ombox.mbox-small{clear:right;float:right;margin:4px 0 4px 1em;width:238px}}body.skin--responsive .mw-parser-output table.ombox img{max-width:none!important}@media screen{html.skin-theme-clientpref-night .mw-parser-output .ombox-speedy{background-color:#310402}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .ombox-speedy{background-color:#310402}}</style><table class="plainlinks ombox ombox-notice" role="presentation"><tbody><tr><td class="mbox-image"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/1/1d/Information_icon4.svg/40px-Information_icon4.svg.png" decoding="async" width="40" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/1/1d/Information_icon4.svg/60px-Information_icon4.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/1/1d/Information_icon4.svg/80px-Information_icon4.svg.png 2x" data-file-width="620" data-file-height="620"/></span></span></td><td class="mbox-text"><div style="padding-top: 6px; padding-bottom: 5px;"><b>This is an <a href="/wiki/Wikipedia:Project_namespace#How-to_and_information_pages" title="Wikipedia:Project namespace">explanatory essay</a> about the <a href="/wiki/Wikipedia:Blocking_policy" title="Wikipedia:Blocking policy">blocking policy</a></b>. <br/><div style="font-size:90%;"> This page provides additional information about concepts in the page(s) it supplements. This page is not one of <a href="/wiki/Wikipedia:Policies_and_guidelines" title="Wikipedia:Policies and guidelines">Wikipedia's policies or guidelines</a> as it has not been <a href="/wiki/Wikipedia:Consensus#Levels_of_consensus" title="Wikipedia:Consensus">thoroughly vetted by the community</a>.</div></div></td></tr></tbody></table><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Explanatory essay about the blocking policy</div> <p>Blocking of <a href="/wiki/IP_address" title="IP address">IP addresses</a> on Wikipedia is a special case of <a href="/wiki/IP_address_blocking" title="IP address blocking">IP address blocking</a>. This page contains guidelines for <a href="/wiki/Wikipedia:Administrators" title="Wikipedia:Administrators">administrators</a> carrying out such blocks. </p> <meta property="mw:PageProp/toc"/> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Guidelines" data-mw-thread-id="h-Guidelines"><span data-mw-comment-start="" id="h-Guidelines"></span>Guidelines<span data-mw-comment-end="h-Guidelines"></span></h2><!--__DTELLIPSISBUTTON__{"threadItem":{"headingLevel":2,"name":"h-","type":"heading","level":0,"id":"h-Guidelines","replies":["h-Sensitive_IP_addresses-Guidelines","h-Addresses_of_organizations_with_a_responsive_IRT-Guidelines","h-Block_lengths-Guidelines","h-Shared_IP_addresses-Guidelines","h-Range_blocks-Guidelines"]}}--></div> <div class="mw-heading mw-heading3"><h3 id="Sensitive_IP_addresses" data-mw-thread-id="h-Sensitive_IP_addresses-Guidelines"><span data-mw-comment-start="" id="h-Sensitive_IP_addresses-Guidelines"></span>Sensitive IP addresses<span data-mw-comment-end="h-Sensitive_IP_addresses-Guidelines"></span></h3></div> <style data-mw-deduplicate="TemplateStyles:r1252059228">.mw-parser-output .module-shortcutboxplain{float:right;margin:0 0 0 1em;border:1px solid var(--border-color-base,#a2a9b1);background-color:var(--background-color-base,#fff);padding:0.3em 0.6em 0.2em 0.6em;text-align:center;font-size:85%}.mw-parser-output .module-shortcutboxleft{float:left;margin:0 1em 0 0}.mw-parser-output .module-shortcutlist{display:inline-block;border-bottom:1px solid var(--border-color-base,#a2a9b1);margin-bottom:0.2em}.mw-parser-output .module-shortcutboxplain ul{font-weight:bold}.mw-parser-output .module-shortcutanchordiv{position:relative;top:-3em}.mw-parser-output li .module-shortcutanchordiv{float:right}.mw-parser-output .mbox-imageright .module-shortcutboxplain{padding:0.4em 1em 0.4em 1em;line-height:1.3;margin:0}</style><div class="module-shortcutanchordiv"><span id="WP:SIP"></span></div><div class="module-shortcutboxplain noprint" role="note"><div class="module-shortcutlist"><a href="/wiki/Wikipedia:Shortcut" title="Wikipedia:Shortcut">Shortcut</a></div><style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style><div class="plainlist"><ul><li><span class="plainlinks"><a class="external text" href="https://en.wikipedia.org/w/index.php?title=Wikipedia:SIP&amp;redirect=no">WP:SIP</a></span></li></ul></div></div> <div class="mw-heading mw-heading4"><h4 id="Sensitive_due_to_public_relations_implications" data-mw-thread-id="h-Sensitive_due_to_public_relations_implications-Sensitive_IP_addresses"><span data-mw-comment-start="" id="h-Sensitive_due_to_public_relations_implications-Sensitive_IP_addresses"></span>Sensitive due to public relations implications<span data-mw-comment-end="h-Sensitive_due_to_public_relations_implications-Sensitive_IP_addresses"></span></h4></div> <p>If you block an IP address in any of the following ranges, you are required to immediately notify the <a href="https://meta.wikimedia.org/wiki/Communications_committee" class="extiw" title="meta:Communications committee">Wikimedia Foundation Communications Committee</a>. These ranges are allocated to major governmental organizations and blocks of these organizations have political and public relations implications that must be managed by the Foundation's press relations team. Avoid long blocks of these addresses and be especially careful in formulating your block messages, which may appear in the press. Make doubly sure you're blocking the right address. </p><p>Note that the <a href="/wiki/IPv6" title="IPv6">IPv6</a> list is <i>not</i> complete. Therefore, always be sure to look up an IPv6 address in <a href="/wiki/WHOIS" title="WHOIS">WHOIS</a> to make sure it isn't that of a sensitive organization, and if so add the range to this list. </p> <table class="sensitive-ip-addresses wikitable sortable"><tbody><tr><th><a href="/wiki/IPv4" title="IPv4">IPv4</a></th><th><a href="/wiki/IPv6" title="IPv6">IPv6</a></th><th>Description</th></tr><tr><td>143.228.0.0/16, 143.231.0.0/16, 137.18.0.0/16, 12.185.56.0/29, 12.147.170.144/28, 74.119.128.0/22</td><td>2620:0:e20::/46</td><td>The <a href="/wiki/United_States_House_of_Representatives" title="United States House of Representatives">United States House of Representatives</a></td></tr><tr><td>156.33.0.0/16</td><td>2620:0:8a0::/48, 2600:803:618::/48</td><td>The <a href="/wiki/United_States_Senate" title="United States Senate">United States Senate</a></td></tr><tr><td>165.119.0.0/16, 198.137.240.0/23, 204.68.207.0/24</td><td>2620:10F:B000::/40</td><td>The <a href="/wiki/Executive_Office_of_the_President_of_the_United_States" title="Executive Office of the President of the United States">Executive Office of the President of the United States</a></td></tr><tr><td>149.101.0.0/16</td><td>2607:f330::/32</td><td>The <a href="/wiki/United_States_Department_of_Justice" title="United States Department of Justice">United States Department of Justice</a></td></tr><tr><td>65.165.132.0/24, 204.248.24.0/24, 216.81.80.0/20</td><td>2600:400::/32</td><td>The <a href="/wiki/United_States_Department_of_Homeland_Security" title="United States Department of Homeland Security">United States Department of Homeland Security</a></td></tr><tr><td>131.132.0.0/14, 131.136.0.0/14, 131.140.0.0/15</td><td></td><td>The <a href="/wiki/Canadian_Department_of_National_Defence" class="mw-redirect" title="Canadian Department of National Defence">Canadian Department of National Defence</a></td></tr><tr><td>192.197.82.0/24</td><td></td><td>The <a href="/wiki/Canadian_House_of_Commons" class="mw-redirect" title="Canadian House of Commons">Canadian House of Commons</a></td></tr><tr><td>194.60.0.0/18</td><td></td><td>The <a href="/wiki/Parliament_of_the_United_Kingdom" title="Parliament of the United Kingdom">Parliament of the United Kingdom</a></td></tr><tr><td>138.162.0.0/16</td><td></td><td>The <a href="/wiki/United_States_Department_of_the_Navy" title="United States Department of the Navy">United States Department of the Navy</a> and the <a href="/wiki/United_States_Marine_Corps" title="United States Marine Corps">United States Marine Corps</a></td></tr></tbody></table> <p>If the IP address belongs to anything that might be closely related to the above, or a major corporation, for example <a href="/wiki/UnitedHealth_Group" title="UnitedHealth Group">UnitedHealth Group</a> or <a href="/wiki/Berkshire_Hathaway" title="Berkshire Hathaway">Berkshire Hathaway</a> (both of which are in the top ten of the <a href="/wiki/Fortune_100" class="mw-redirect" title="Fortune 100">Fortune 100</a> and unlikely to have data centers for lease attributed directly to them), or others, it may be a good idea to notify the committee. </p> <div class="mw-heading mw-heading4"><h4 id="Sensitive_for_other_reasons" data-mw-thread-id="h-Sensitive_for_other_reasons-Sensitive_IP_addresses"><span data-mw-comment-start="" id="h-Sensitive_for_other_reasons-Sensitive_IP_addresses"></span>Sensitive for other reasons<span data-mw-comment-end="h-Sensitive_for_other_reasons-Sensitive_IP_addresses"></span></h4></div> <p>Blocking an IP address listed in this section can cause undesired effects on Wikipedia, which vary depending on the IP address in question. Please issue soft blocks on any bot coming from this address. If you are unsure as to how to do this correctly, please do not issue the block, but contact another admin. </p> <table class="sensitive-ip-addresses wikitable sortable"><tbody><tr><th><a href="/wiki/IPv4" title="IPv4">IPv4</a></th><th><a href="/wiki/IPv6" title="IPv6">IPv6</a></th><th>Description</th></tr><tr><td>91.198.174.0/24, 185.15.56.0/22, 198.35.26.0/23, 208.80.152.0/22</td><td>2620:0:860::/46, 2a02:ec80::/32</td><td>The <a href="/wiki/Wikimedia_Foundation" title="Wikimedia Foundation">Wikimedia Foundation</a></td></tr><tr><td>45.79.106.114</td><td>2600:3c01::f03c:93ff:fe24:db1b</td><td>Dashboard.wikiedu.org OAuth application, maintained by <a href="https://meta.wikimedia.org/wiki/Wiki_Education_Foundation" class="extiw" title="meta:Wiki Education Foundation">Wiki Education Foundation</a></td></tr><tr><td>192.0.2.0/24</td><td></td><td>RFC 5737 reserved test range</td></tr></tbody></table> <p>Note: 192.0.2.0/24 is not actually a sensitive address. It is included in this list for testing and training purposes and may safely be blocked with no requirement to notify the WMF. Other <a href="/wiki/Private_network" title="Private network">private network</a> addresses (127.0.0.1, 10.0.0.0/8, 192.168.0.0/16, 172.16.0.0/12) are sometimes used by Wikimedia infrastructure, sometimes intentionally. These should not generally be blocked without good reason or consultation as there may be unintended consequences. </p> <div class="mw-heading mw-heading3"><h3 id="Addresses_of_organizations_with_a_responsive_IRT" data-mw-thread-id="h-Addresses_of_organizations_with_a_responsive_IRT-Guidelines"><span data-mw-comment-start="" id="h-Addresses_of_organizations_with_a_responsive_IRT-Guidelines"></span>Addresses of organizations with a responsive IRT<span data-mw-comment-end="h-Addresses_of_organizations_with_a_responsive_IRT-Guidelines"></span></h3></div> <p>Some organizations have an Incident Response Team that has demonstrated willingness and ability to be responsive to reports of abuse at the source (the user). In those cases, it is preferable to contact their response team through the provided contact information rather than blocking all or part of their IP ranges – although it remains appropriate to place short blocks to interrupt <i>ongoing</i> vandalism or disruption. </p> <table class="wikitable sortable"> <tbody><tr> <th>IP address or range</th> <th>Description</th> <th>Email capability </th></tr> <tr> <td>193.113.57.160/27</td> <td>British Telecommunications plc (<a href="/wiki/User:BT_Security_Investigations" title="User:BT Security Investigations">response team</a>)</td> <td>No </td></tr> <tr> <td>129.127.0.0/16</td> <td>University of Adelaide (<a href="/wiki/User:University_of_Adelaide_IT_security" title="User:University of Adelaide IT security">response team</a>)</td> <td>No </td></tr> <tr> <td>(TBD)</td> <td>University of Cambridge (<a href="/wiki/User:Cambridge_CERT" title="User:Cambridge CERT">response team</a>)</td> <td>No </td></tr> <tr> <td>71.0.0.0/14, 65.40.0.0/15, 76.0.0.0/13</td> <td><a href="/wiki/CenturyLink" class="mw-redirect" title="CenturyLink">CenturyLink</a> / <a href="/wiki/Lumen_Technologies" title="Lumen Technologies">Lumen</a> (email <span class="nowrap">abuse<span class="mw-no-invert"><span class="skin-invert" typeof="mw:File"><span title="@"><img alt="@" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/88/At_sign.svg/15px-At_sign.svg.png" decoding="async" width="15" height="15" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/88/At_sign.svg/23px-At_sign.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/88/At_sign.svg/30px-At_sign.svg.png 2x" data-file-width="145" data-file-height="145"/></span></span></span>aup.lumen.com</span>)</td> <td>Yes </td></tr></tbody></table> <p>Organizations should be encouraged to be involved in managing disruption caused by their users to avoid the inconvenience to their other users. When placing a long block on an IP or IP range, a politely worded email to the organization's IT suggesting that they participate this way would be a good idea, and it is important to be liberal in unblocking ranges of organizations that collaborate. </p> <div class="mw-heading mw-heading3"><h3 id="Block_lengths" data-mw-thread-id="h-Block_lengths-Guidelines"><span data-mw-comment-start="" id="h-Block_lengths-Guidelines"></span>Block lengths<span data-mw-comment-end="h-Block_lengths-Guidelines"></span></h3></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1252059228"><div class="module-shortcutanchordiv"><span id="WP:IPBLENGTH"></span></div><div class="module-shortcutboxplain noprint" role="note"><div class="module-shortcutlist"><a href="/wiki/Wikipedia:Shortcut" title="Wikipedia:Shortcut">Shortcut</a></div><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span class="plainlinks"><a class="external text" href="https://en.wikipedia.org/w/index.php?title=Wikipedia:IPBLENGTH&amp;redirect=no">WP:IPBLENGTH</a></span></li></ul></div></div> <p>Blocks should be based on the protection of Wikipedia rather than the punishment of offenders. Most IP addresses should not be blocked more than a few hours, since the malicious user will probably move on by the time the block expires. If there is persistent disruption or vandalism from an IP address, the block should be extended (with the 'anon-only' option selected) as long as is necessary to prevent further disruption. </p><p>However, <b>IP addresses should almost never be indefinitely blocked.</b> Many IP addresses are dynamically assigned and change frequently from one person to the next, and even static IP addresses are periodically reassigned or have different users. In cases of long-term vandalism from an IP address, consider blocks over a period of months or years instead. Long-term blocks should <i>never</i> be used for isolated incidents, regardless of the nature of their policy violation. IP addresses used by blatant vandals, sockpuppets and people issuing legal threats should never be blocked for long periods unless there is evidence that the IP address has been used by the same user for a long time. </p><p>Open proxies should generally be reported to the <a href="/wiki/Wikipedia:WikiProject_on_open_proxies" title="Wikipedia:WikiProject on open proxies">WikiProject on open proxies</a> and blocked for the length of time they are likely to remain open on the same IP address, which in most cases is likely to be only a few months.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> Many open proxies have been blocked indefinitely, but this is no longer considered good practice. A large proportion of indefinitely blocked proxies are no longer open proxies. </p><p>If you <i>do</i> indefinitely block an IP address, place {{<a href="/wiki/Template:Blocked_proxy" title="Template:Blocked proxy">blocked proxy</a>}} (do not substitute) on its user or user talk page for tracking purposes. </p> <div class="mw-heading mw-heading3"><h3 id="Shared_IP_addresses" data-mw-thread-id="h-Shared_IP_addresses-Guidelines"><span data-mw-comment-start="" id="h-Shared_IP_addresses-Guidelines"></span>Shared IP addresses<span data-mw-comment-end="h-Shared_IP_addresses-Guidelines"></span></h3></div> <p>Before implementing a long-term block on an IP address with a long history of vandalism, please check if it is shared by performing a <a href="/wiki/WHOIS" title="WHOIS">WHOIS</a> and <a href="/wiki/Reverse_DNS_lookup" title="Reverse DNS lookup">Reverse DNS lookup</a> query on the IP address to determine if it belongs to a school or an <a href="/wiki/ISP" class="mw-redirect" title="ISP">ISP</a>. If a Shared IP address' talk page is not already identified or tagged as such, use either the <span class="nowrap">{{</span><a href="/wiki/Template:Shared_IP" title="Template:Shared IP">Shared IP</a><span class="nowrap">}}</span>, <span class="nowrap">{{</span><a href="/wiki/Template:Shared_IP_edu" title="Template:Shared IP edu">Shared IP edu</a><span class="nowrap">}}</span>, or any one of the templates at <a href="/wiki/Category:Shared_IP_header_templates" title="Category:Shared IP header templates">Category:Shared IP header templates</a> to do so. For anonymous-only blocks of shared IP addresses, please consider using <span class="nowrap">{{</span><a href="/wiki/Template:Anonblock" title="Template:Anonblock">anonblock</a><span class="nowrap">}}</span> or <span class="nowrap">{{</span><a href="/wiki/Template:Schoolblock" class="mw-redirect" title="Template:Schoolblock">schoolblock</a><span class="nowrap">}}</span> as your blocking reason as it causes less offence to innocent users. </p><p>Note that <a href="/wiki/IPv6" title="IPv6">IPv6</a> addresses are almost <i>never</i> shared, even for large organizations, because <a href="/wiki/Network_address_translation" title="Network address translation">network address translation</a> is typically not used with IPv6. </p> <div class="mw-heading mw-heading3"><h3 id="Range_blocks" data-mw-thread-id="h-Range_blocks-Guidelines"><span data-mw-comment-start="" id="h-Range_blocks-Guidelines"></span>Range blocks<span data-mw-comment-end="h-Range_blocks-Guidelines"></span></h3></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1252059228"><div class="module-shortcutanchordiv"><span id="WP:RANGE"></span></div><div class="module-shortcutboxplain noprint" role="note"><div class="module-shortcutlist"><a href="/wiki/Wikipedia:Shortcut" title="Wikipedia:Shortcut">Shortcut</a></div><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span class="plainlinks"><a class="external text" href="https://en.wikipedia.org/w/index.php?title=Wikipedia:RANGE&amp;redirect=no">WP:RANGE</a></span></li></ul></div></div> <p>Administrators can block ranges of IP addresses (commonly called <i>rangeblocking</i>). Use careful judgement and make them as brief as possible; they can affect up to 65,536 IPv4 addresses (for /16 blocks) or 649,037,107,316,853,453,566,312,041,152,512 (649 thousand billion billion billion, ~6.49×10<sup>32</sup>, 2<sup>109</sup>) IPv6 addresses (for /19 blocks) each, potentially affecting millions of users. These should be reserved as an absolute last resort, especially very large rangeblocks. </p><p>For more information, see <a href="https://www.mediawiki.org/wiki/Help:Range_blocks" class="extiw" title="mw:Help:Range blocks">mw:Help:Range blocks</a> (<a href="https://www.mediawiki.org/wiki/Help:Range_blocks/IPv6" class="extiw" title="mw:Help:Range blocks/IPv6">mw:Help:Range blocks/IPv6</a> for IPv6). You need some knowledge of how networks and IP address numbering work, and of binary arithmetic. If you don't, <a href="/wiki/Category:Wikipedia_administrators_willing_to_make_range_blocks" title="Category:Wikipedia administrators willing to make range blocks">many other administrators do</a> — ask on the <a href="/wiki/Wikipedia:AN" class="mw-redirect" title="Wikipedia:AN">Administrators' noticeboard</a> or on <span style="font-family: monospace,Courier; white-space: pre-wrap !important; word-wrap: break-word; max-width: 1200px; overflow: auto;">#wikipedia-en</span> <sup class="plainlinks"><a rel="nofollow" class="external text" href="https://web.libera.chat/?channel=#wikipedia-en"><span style="color:green;">connect</span></a></sup>. <a href="/wiki/User:TonyBallioni/Just_block_the_/64" title="User:TonyBallioni/Just block the /64">This essay</a> contains advice for dealing with disruption by users on IPv6 addresses. </p><p>If you propose to block a significant range, or for a significant time, consider asking a user with <a href="/wiki/Wikipedia:CHECKUSER" class="mw-redirect" title="Wikipedia:CHECKUSER">checkuser</a> access to check for <a href="/wiki/Wikipedia:COLLATERAL" class="mw-redirect" title="Wikipedia:COLLATERAL">collateral damage</a> – that is, for the presence of other users who may be unintentionally affected by the range block. Alternately, if you are unsure whether disruptive edits from a specific range are a specific user, you can post a request at <a href="/wiki/Wikipedia:SPI" class="mw-redirect" title="Wikipedia:SPI">sockpuppet investigations</a> where another editor will attempt to match users with IP addresses. </p><p>You can calculate a rangeblock using <a href="https://iw.toolforge.org/ftools/general/ip-range-calc.html" class="extiw" title="toolforge:ftools/general/ip-range-calc.html">this tool</a> or <span class="nowrap">{{</span><a href="/wiki/Template:IP_range_calculator" title="Template:IP range calculator">IP range calculator</a><span class="nowrap">}}</span>. </p> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Problems_and_solutions" data-mw-thread-id="h-Problems_and_solutions"><span data-mw-comment-start="" id="h-Problems_and_solutions"></span>Problems and solutions<span data-mw-comment-end="h-Problems_and_solutions"></span></h2><!--__DTELLIPSISBUTTON__{"threadItem":{"headingLevel":2,"name":"h-","type":"heading","level":0,"id":"h-Problems_and_solutions","replies":["h-Shared_and_dynamic_IP_addresses-Problems_and_solutions","h-Open_proxies-Problems_and_solutions","h-Indefinite_blocks-Problems_and_solutions","h-Blocking_account_creation_but_permitting_editing-Problems_and_solutions"]}}--></div> <div class="mw-heading mw-heading3"><h3 id="Shared_and_dynamic_IP_addresses" data-mw-thread-id="h-Shared_and_dynamic_IP_addresses-Problems_and_solutions"><span data-mw-comment-start="" id="h-Shared_and_dynamic_IP_addresses-Problems_and_solutions"></span>Shared and dynamic IP addresses<span data-mw-comment-end="h-Shared_and_dynamic_IP_addresses-Problems_and_solutions"></span></h3></div> <p>Many users operate from <b>shared IP addresses</b>, often those belonging to <a href="/wiki/Proxy_server" title="Proxy server">proxies</a> used by large networks or home users with their <a href="/wiki/Internet_service_providers" class="mw-redirect" title="Internet service providers">Internet service providers</a>. Since it is impossible to distinguish between individual users operating from shared IP addresses, blocking one may affect a very large number of legitimate users (ranging up to millions). Users operating from <b>dynamic IP addresses</b> change IP addresses periodically. This can compound the <a href="/wiki/Wikipedia:Autoblock" title="Wikipedia:Autoblock">autoblock problem</a>, particularly when they are also shared, because a block targeted at a malicious user may shift to a legitimate user while the target shifts to an unblocked IP address. </p><p>Note that <a href="/wiki/IPv6" title="IPv6">IPv6</a> addresses are almost <i>never</i> shared, even for large organizations, because <a href="/wiki/Network_address_translation" title="Network address translation">network address translation</a> is typically not used with IPv6. Although IPv6 addresses can be highly dynamic, possibly changing even more often than IPv4 addresses, a single user will generally use the same /64 range, and their IPv6 address is unlikely to be shared with other devices (although multiple people can use a single device, e.g. a shared computer). <i>See <a href="/wiki/Wikipedia:WikiProject_on_XFFs" title="Wikipedia:WikiProject on XFFs">Wikipedia:WikiProject on XFFs</a></i> </p> <div class="mw-heading mw-heading3"><h3 id="Open_proxies" data-mw-thread-id="h-Open_proxies-Problems_and_solutions"><span data-mw-comment-start="" id="h-Open_proxies-Problems_and_solutions"></span>Open proxies<span data-mw-comment-end="h-Open_proxies-Problems_and_solutions"></span></h3></div> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">Main page: <a href="/wiki/Wikipedia:Open_proxies" title="Wikipedia:Open proxies">Wikipedia:Open proxies</a></div> <p><a href="/wiki/Open_proxy" title="Open proxy">Open proxies</a> may be blocked on sight according to the <a href="/wiki/Wikipedia:Open_proxies" title="Wikipedia:Open proxies">policy on open proxies</a>. The IP should be unblocked once the proxy has been closed. Since the IPs may eventually be reassigned or the proxies closed, blocks should not be indefinite, but in some particular cases can be very long term. Block lengths should typically range from several weeks for dynamic IPs and short term Tor nodes, up to several years for long term proxies hosted on static IP addresses. </p><p>Administrators who block open proxies should attempt to record in the block log or on the user talk page how to verify whether the IP address is still an open proxy at a future date. Administrators who deal with unblock requests from blocked open proxies should typically seek advice from either the blocking admin or the WikiProject on open proxies before unblocking. </p> <div class="mw-heading mw-heading3"><h3 id="Indefinite_blocks" data-mw-thread-id="h-Indefinite_blocks-Problems_and_solutions"><span data-mw-comment-start="" id="h-Indefinite_blocks-Problems_and_solutions"></span>Indefinite blocks<span data-mw-comment-end="h-Indefinite_blocks-Problems_and_solutions"></span></h3></div> <p>Some behaviour by users, for example egregious threats and harassment, is so extreme that an indefinite block of the user is warranted. There are also some Wikipedia policies, for example <a href="/wiki/Wikipedia:No_legal_threats" title="Wikipedia:No legal threats">Wikipedia:No legal threats</a> and <a href="/wiki/Wikipedia:Sock_puppetry" class="mw-redirect" title="Wikipedia:Sock puppetry">Wikipedia:Sock puppetry</a> where an indefinite block of the user is suggested. These indefinite periods apply to users and not their IP addresses. While the user may be considered indefinitely blocked and subsequently blocked on sight, the IP addresses they use should only be blocked for as long as they are likely to remain assigned to the same user. </p> <div class="mw-heading mw-heading3"><h3 id="Blocking_account_creation_but_permitting_editing" data-mw-thread-id="h-Blocking_account_creation_but_permitting_editing-Problems_and_solutions"><span data-mw-comment-start="" id="h-Blocking_account_creation_but_permitting_editing-Problems_and_solutions"></span>Blocking account creation but permitting editing<span data-mw-comment-end="h-Blocking_account_creation_but_permitting_editing-Problems_and_solutions"></span></h3></div> <p>In some cases administrators may wish to block account creation within an IP range, but permit editing. This can be accomplished by imposing a <a href="/wiki/Wikipedia:Partial_blocks" title="Wikipedia:Partial blocks">partial block</a> and leaving the "Pages" and "Namespaces" fields blank. </p> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Notes" data-mw-thread-id="h-Notes"><span data-mw-comment-start="" id="h-Notes"></span>Notes<span data-mw-comment-end="h-Notes"></span></h2><!--__DTELLIPSISBUTTON__{"threadItem":{"headingLevel":2,"name":"h-","type":"heading","level":0,"id":"h-Notes","replies":[]}}--></div> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text">See <a href="https://nl.wikipedia.org/wiki/Gebruiker:RonaldB/Open_proxy_fighting#Lifetime_of_OP.27s" class="extiw" title="nl:Gebruiker:RonaldB/Open proxy fighting">nl:Gebruiker:RonaldB/Open_proxy_fighting#Lifetime_of_OP.27s</a> (in English) for more information on the lifetimes of open proxies</span> </li> </ol></div> <ul><li><a href="/wiki/Special:PermanentLink/730725448#Sensitive_IP_Addresses" title="Special:PermanentLink/730725448">WMF reply that management of the list of sensitive IPs for the English Wikipedia is the responsibility of the community, under WMF guidance</a></li></ul> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="See_also" data-mw-thread-id="h-See_also"><span data-mw-comment-start="" id="h-See_also"></span>See also<span data-mw-comment-end="h-See_also"></span></h2><!--__DTELLIPSISBUTTON__{"threadItem":{"headingLevel":2,"name":"h-","type":"heading","level":0,"id":"h-See_also","replies":[]}}--></div> <ul><li><a href="/wiki/Category:Wikipedia_administrators_willing_to_make_range_blocks" title="Category:Wikipedia administrators willing to make range blocks">Category:Wikipedia administrators willing to make range blocks</a></li> <li><a href="/wiki/Wikipedia:Autoblock" title="Wikipedia:Autoblock">Wikipedia:Autoblock</a></li> <li><a href="/wiki/Wikipedia:Blocking_Policy" class="mw-redirect" title="Wikipedia:Blocking Policy">Wikipedia:Blocking Policy</a></li> <li><a href="/wiki/Wikipedia:WikiProject_on_open_proxies/Guide_to_checking_open_proxies" title="Wikipedia:WikiProject on open proxies/Guide to checking open proxies">Guide to checking open proxies</a></li> <li><a href="/wiki/MediaWiki:Blockiptext" title="MediaWiki:Blockiptext">MediaWiki:Blockiptext</a>, which provides the introductory text at <a href="/wiki/Special:Block" title="Special:Block">Special:Block</a>.</li> <li><a href="https://www.mediawiki.org/wiki/Help:Range_blocks" class="extiw" title="mw:Help:Range blocks">Mediawiki:Help:Range blocks</a></li></ul> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist 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td.hlist ul{padding:0.125em 0}.mw-parser-output .navbox .navbar{display:block;font-size:100%}.mw-parser-output .navbox-title .navbar{float:left;text-align:left;margin-right:0.5em}body.skin--responsive .mw-parser-output .navbox-image img{max-width:none!important}@media print{body.ns-0 .mw-parser-output .navbox{display:none!important}}</style></div><div role="navigation" class="navbox" aria-labelledby="Wikipedia_accounts_and_governance" style="padding:3px"><table class="nowraplinks hlist mw-collapsible mw-collapsed navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><style data-mw-deduplicate="TemplateStyles:r1239400231">.mw-parser-output .navbar{display:inline;font-size:88%;font-weight:normal}.mw-parser-output .navbar-collapse{float:left;text-align:left}.mw-parser-output .navbar-boxtext{word-spacing:0}.mw-parser-output .navbar ul{display:inline-block;white-space:nowrap;line-height:inherit}.mw-parser-output .navbar-brackets::before{margin-right:-0.125em;content:"[ "}.mw-parser-output .navbar-brackets::after{margin-left:-0.125em;content:" ]"}.mw-parser-output .navbar li{word-spacing:-0.125em}.mw-parser-output .navbar a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini abbr{font-variant:small-caps;border-bottom:none;text-decoration:none;cursor:inherit}.mw-parser-output .navbar-ct-full{font-size:114%;margin:0 7em}.mw-parser-output .navbar-ct-mini{font-size:114%;margin:0 4em}html.skin-theme-clientpref-night .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}@media(prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Wikipedia_accounts" title="Template:Wikipedia accounts"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Wikipedia_accounts" title="Template talk:Wikipedia accounts"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Wikipedia_accounts" title="Special:EditPage/Template:Wikipedia accounts"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Wikipedia_accounts_and_governance" style="font-size:114%;margin:0 4em">Wikipedia <a href="/wiki/Wikipedia:User_access_levels" title="Wikipedia:User access levels">accounts</a> and <a href="/wiki/Wikipedia:Administration#Human_and_legal_administration" title="Wikipedia:Administration">governance</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Wikipedia:User_access_levels#Unregistered_users" title="Wikipedia:User access levels">Unregistered (IP) users</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Wikipedia:Why_create_an_account%3F" title="Wikipedia:Why create an account?">Why create an account?</a></li> <li><a href="/wiki/Special:CreateAccount" title="Special:CreateAccount">Create an account</a></li> <li><a href="/wiki/Wikipedia:Request_an_account" title="Wikipedia:Request an account">Request an account</a></li> <li><a href="/wiki/Wikipedia:IP_editors_are_human_too" title="Wikipedia:IP editors are human too">IPs are human too</a></li> <li><a href="/wiki/Wikipedia:IP_addresses_are_not_people" title="Wikipedia:IP addresses are not people">IP addresses are not people</a></li> <li><a href="/wiki/Wikipedia:IP_hopper" title="Wikipedia:IP hopper">IP hopper</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Registered users</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Wikipedia:New_account" title="Wikipedia:New account">New account</a></li> <li><a href="/wiki/Help:Logging_in" title="Help:Logging in">Logging in</a> <ul><li><a href="/wiki/Help:Reset_password" title="Help:Reset password">Reset passwords</a></li></ul></li> <li><a href="/wiki/Wikipedia:Username_policy" title="Wikipedia:Username policy">Username policy</a> <ul><li><a href="/wiki/Wikipedia:Changing_username" title="Wikipedia:Changing username">Changing username</a></li> <li><a href="/wiki/Wikipedia:Usernames_for_administrator_attention" title="Wikipedia:Usernames for administrator attention">Usernames for administrator attention</a></li></ul></li> <li><a href="/wiki/Wikipedia:Unified_login" title="Wikipedia:Unified login">Unified login or SUL</a></li> <li><a href="/wiki/Wikipedia:Sockpuppetry#Legit" title="Wikipedia:Sockpuppetry">Alternate account</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Account security</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Wikipedia:Password_strength_requirements" title="Wikipedia:Password strength requirements">Password strength requirements</a></li> <li><a href="/wiki/Wikipedia:User_account_security" title="Wikipedia:User account security">User account security</a></li> <li><a href="/wiki/Wikipedia:Personal_security_practices" title="Wikipedia:Personal security practices">Personal security practices</a></li> <li><a href="/wiki/Help:Two-factor_authentication" title="Help:Two-factor authentication">Two-factor authentication</a> <ul><li><a href="/wiki/Wikipedia:Using_AWB_with_2FA" title="Wikipedia:Using AWB with 2FA">2FA for AWB</a></li></ul></li> <li><a href="/wiki/Template:Committed_identity" title="Template:Committed identity">Committed identity</a></li> <li><a href="/wiki/Wikipedia:On_privacy,_confidentiality_and_discretion" title="Wikipedia:On privacy, confidentiality and discretion">On privacy, confidentiality and discretion</a></li> <li><a href="/wiki/Wikipedia:Compromised_accounts" title="Wikipedia:Compromised accounts">Compromised accounts</a></li> <li><a href="/wiki/Wikipedia:How_to_not_get_outed_on_Wikipedia" title="Wikipedia:How to not get outed on Wikipedia">How to not get outed</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Blocks, bans, sanctions,<br/>global actions</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Wikipedia:Blocking_policy" title="Wikipedia:Blocking policy">Blocking policy</a> <ul><li><a href="/wiki/Wikipedia:FAQ/Blocks" title="Wikipedia:FAQ/Blocks">FAQ</a></li> <li><a href="/wiki/Wikipedia:Administrators%27_guide/Blocking" title="Wikipedia:Administrators' guide/Blocking">Admin's guide</a></li> <li><a href="/wiki/Wikipedia:Administrators%27_guide/Blocking/Tools" title="Wikipedia:Administrators' guide/Blocking/Tools">Tools</a></li> <li><a href="/wiki/Wikipedia:Autoblock" title="Wikipedia:Autoblock">Autoblock</a></li></ul></li> <li><a href="/wiki/Wikipedia:Appealing_a_block" title="Wikipedia:Appealing a block">Appealing a block</a> <ul><li><a href="/wiki/Wikipedia:Guide_to_appealing_blocks" title="Wikipedia:Guide to appealing blocks">Guide to appealing blocks</a></li> <li><a href="/wiki/Wikipedia:Unblock_Ticket_Request_System" title="Wikipedia:Unblock Ticket Request System">UTRS Unblock Ticket Request System</a></li></ul></li> <li><a class="mw-selflink selflink">Blocking IP addresses</a> <ul><li><a href="https://www.mediawiki.org/wiki/Help:Range_blocks" class="extiw" title="mw:Help:Range blocks">Range blocks</a></li> <li><a href="https://www.mediawiki.org/wiki/Help:Range_blocks/IPv6" class="extiw" title="mw:Help:Range blocks/IPv6">IPv6</a></li> <li><a href="/wiki/Wikipedia:Open_proxies" title="Wikipedia:Open proxies">Open proxies</a></li></ul></li> <li><a href="/wiki/Wikipedia:Banning_policy" title="Wikipedia:Banning policy">Banning policy</a> <ul><li><a href="/wiki/Wikipedia:Arbitration_Committee/Ban_appeals" title="Wikipedia:Arbitration Committee/Ban appeals">ArbCom appeals</a></li></ul></li> <li><a href="/wiki/Wikipedia:Sanctions" title="Wikipedia:Sanctions">Sanctions</a> <ul><li><a href="/wiki/Wikipedia:Editing_restrictions" title="Wikipedia:Editing restrictions">Personal sanctions</a></li> <li><a href="/wiki/Wikipedia:General_sanctions" title="Wikipedia:General sanctions">General sanctions</a></li> <li><a href="/wiki/Wikipedia:Contentious_topics" title="Wikipedia:Contentious topics">Contentious topics</a> and <a href="/wiki/Wikipedia:Arbitration_enforcement_log" title="Wikipedia:Arbitration enforcement log">Log</a></li> <li><a href="/wiki/Wikipedia:Sanctions_(essay)" title="Wikipedia:Sanctions (essay)">Essay</a></li></ul></li> <li><a href="/wiki/Wikipedia:Indefinite_is_not_infinite" title="Wikipedia:Indefinite is not infinite">Indef ≠ infinite</a></li> <li><a href="/wiki/Wikipedia:Long-term_abuse" title="Wikipedia:Long-term abuse">Long-term abuse</a></li> <li><a href="/wiki/Wikipedia:Standard_offer" title="Wikipedia:Standard offer">Standard offer</a></li> <li><a href="/wiki/Wikipedia:Global_actions" title="Wikipedia:Global actions">Global actions</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Related to accounts</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Wikipedia:Sockpuppetry" title="Wikipedia:Sockpuppetry">Sockpuppetry</a></li> <li><a href="/wiki/Wikipedia:Single-purpose_account" title="Wikipedia:Single-purpose account">Single-purpose account</a></li> <li><a href="/wiki/Wikipedia:Sleeper_account" title="Wikipedia:Sleeper account">Sleeper account</a></li> <li><a href="/wiki/Wikipedia:Vandalism-only_account" title="Wikipedia:Vandalism-only account">Vandalism-only account</a></li> <li><a href="/wiki/Wikipedia:Wikibreak" title="Wikipedia:Wikibreak">Wikibreak</a> <ul><li><a href="/wiki/Wikipedia:WikiProject_User_scripts/Scripts/WikiBreak_Enforcer" title="Wikipedia:WikiProject User scripts/Scripts/WikiBreak Enforcer">Enforcer</a></li></ul></li> <li><a href="/wiki/Wikipedia:Retiring" title="Wikipedia:Retiring">Retiring</a> <ul><li><a href="/wiki/Wikipedia:Courtesy_vanishing" title="Wikipedia:Courtesy vanishing">Courtesy vanishing</a></li></ul></li> <li><a href="/wiki/Wikipedia:Clean_start" title="Wikipedia:Clean start">Clean start</a> <ul><li><a href="/wiki/User:Worm_That_Turned/Quiet_return" title="User:Worm That Turned/Quiet return">Quiet return</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Wikipedia:User_access_levels" title="Wikipedia:User access levels">User groups</a><br/> and <a href="https://meta.wikimedia.org/wiki/User_groups#Global_user_groups" class="extiw" title="m:User groups">global user groups</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Wikipedia:Requests_for_permissions" title="Wikipedia:Requests for permissions">Requests for permissions</a> <ul><li><a href="/wiki/Wikipedia:Requests_for_permissions/Administrator_instructions" title="Wikipedia:Requests for permissions/Administrator instructions">Admin instructions</a></li> <li><a href="/wiki/Wikipedia:Administrators%27_guide/Granting_and_revoking_user_rights" title="Wikipedia:Administrators' guide/Granting and revoking user rights">Admin guide</a></li></ul></li> <li><a href="/wiki/Wikipedia:Account_creator" title="Wikipedia:Account creator">Account creator</a> <ul><li><a href="/wiki/Wikipedia:Requests_for_permissions/Account_creator" 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href="/wiki/Wikipedia:Arbitration_Committee/Clerks" title="Wikipedia:Arbitration Committee/Clerks">ArbCom clerks</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Wikipedia:Administration" title="Wikipedia:Administration">Governance</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Wikipedia:Administration" title="Wikipedia:Administration">Administration</a> <ul><li><a href="/wiki/Wikipedia:FAQ/Administrators" title="Wikipedia:FAQ/Administrators">FAQ</a></li></ul></li> <li><a href="/wiki/Wikipedia:Formal_organization" title="Wikipedia:Formal organization">Formal organization</a></li> <li><a href="/wiki/Wikipedia:Editorial_oversight_and_control" title="Wikipedia:Editorial oversight and control">Editorial oversight and control</a></li> <li><a href="/wiki/Wikipedia:Quality_control" title="Wikipedia:Quality control">Quality 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