ENUM - JPNIC

<!DOCTYPE html> <html class="no-js" lang="en"> <head> <meta charset="utf-8"> <title>ENUM - JPNIC</title>  <script> (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start': new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0], j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src= 'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f); })(window,document,'script','dataLayer','GTM-573S6XR'); </script>   <meta name="author" content="Japan Network Information Center"> <link rel="author" href="mailto:secretariat@nic.ad.jp"> <link rel="alternate" type="application/rss+xml" title="RSS" href="/en/index.xml"> <link href="/en/" rel="Start"> <meta name="viewport" content="target-densitydpi=device-dpi,width=device-width,initial-scale=1"> <link rel="shortcut icon" href="/favicon.ico"> <link rel="apple-touch-icon" href="/apple-touch-icon.png"> <link rel="stylesheet" href="/common/css/common-en.css" media="screen,print"> <link rel="stylesheet" href="/common/css/style.css" media="screen,print"> <link rel="stylesheet" href="/common/css/style_en.css" media="screen,print"> <link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/cookieconsent2/3.1.0/cookieconsent.min.css"> <script src="/common/js/libs/modernizr-2.5.3-respond-1.1.0.min.js" charset="utf-8"></script>  <link rel="stylesheet" href="/common/css/header-footer.css" media="screen,print"> <link rel="stylesheet" href="/common/css/home.css" media="screen,print"> <link rel="stylesheet" href="/common/css/print.css" media="print"> <link href="https://use.fontawesome.com/releases/v5.4.1/css/all.css" rel="stylesheet">   </head> <body class="contents-page en">  <noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-573S6XR" height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>  <noscript><div class="noscript">This page is trying to run JavaScript and your browser either does not support JavaScript or you may have turned-off JavaScript. If you have disabled JavaScript on your computer, please turn on JavaScript.</div></noscript> <div class="visuallyhidden"><p><a title="Jump to main contents" accesskey="1" href="#main">Jump to main contents</a></p></div> <header> <div class="head-inner"> <ul class="utility-sub"> <li><a href="/en/"><i class="fas fa-home"></i>Home</a></li> <li><a href="/en/sitemap.html"><i class="fas fa-sitemap"></i>Site Map</a></li> <li><a href="/en/profile/map.html"><i class="fas fa-map-marker-alt"></i>Access</a></li> <li id="fontSizeSwitcher"> <a class="small" data-size="small" href="javascript:void(0);"><i class="fas fa-font"></i></a> <a class="normal" data-size="normal" href="javascript:void(0);"><i class="fas fa-font"></i></a> <a class="large" data-size="large" href="javascript:void(0);"><i class="fas fa-font"></i></a> </li> <li><a href="/ja/"><i class="fas fa-globe"></i>JA</a></li> </ul> <div class="page-title"> <p>Working for the better Internet Infrastructure.</p> <h1><a href="/en/"><img src="/common/img/h1.png" alt="Logo:JPNIC"></a></h1> </div> <div class="search-wrap"> <div class="search-btn"> <span class="btn on whois" data-target="textBox00"><i class="fa fa-search"></i> WHOIS Search</span> <span class="btn site" data-target="textBox01"><i class="fa fa-eye"></i> Site Search</span> <a href="/en/db/whois/">About WHOIS</a> <span>｜</span> <a href="/en/db/whois/en-gateway.html">JPNIC WHOIS Gateway</a> </div> <div class="search-area"> <div class="textBox"> <div class="textBox00 search-input on"> <form name="form2" method="get" action="https://whois.nic.ad.jp/cgi-bin/whois_gw?link=e"> <input type="text" name="key" id="whois-search" title="WHOIS" > <input type="hidden" name="lang" value="/e" > <input type="hidden" name="codecheck-sjis" value="Japan Network Information Center"> <button type="submit" value="" name="submit"><i class="fa fa-search"></i></button> </form> </div> <div class="textBox01 search-input"> <form id="g-b-search" method="get"> <input type="search" name="q" id="q" placeholder="Keyword"> <input type="hidden" name="cx" value="001914058880326500043:7gw58elie3y"> <input type="hidden" name="q1" value="site:https://www.nic.ad.jp/"> <button class="google" type="submit" value="Google" formaction="//google.com/cse" formtarget="_blank">Google</button><button class="bing" type="submit" value="Bing" formaction="https://www.bing.com/search" formtarget="_blank">Bing</button> <script src="//www.google.com/cse/brand?form=g-b-search&lang=en"></script> </form> </div> </div> <div class="social"> <a class="facebook" href="https://www.facebook.com/sharer/sharer.php?u=https://www.nic.ad.jp/ja/" onclick="window.open(encodeURI(decodeURI(this.href)), 'FBwindow', 'width=554, height=470, menubar=no, toolbar=no, scrollbars=yes'); return false;" rel="nofollow"> <i class="fab fa-facebook-f"></i> </a> <a class="twitter" href="http://twitter.com/share?text=Japan Network Information Center - JPNIC&url=https://www.nic.ad.jp/en/" onclick="window.open(encodeURI(decodeURI(this.href)), 'tweetwindow', 'width=650, height=470, personalbar=0, toolbar=0, scrollbars=1, sizable=1'); return false;" rel="nofollow"> <i class="fab fa-twitter"></i> </a> <a class="rss" href="/en/index.xml"> <i class="fas fa-rss"></i> </a> </div> </div> </div> </div> <div class="global-nav"> <ul class="layer01-ul"> <li class="layer01-li jpnic-en"> <a href="/en/ip/"><i class="fas fa-share-alt"></i>IP Address</a> <div class="global-nav-list"> <div class="global-nav-bg"> <div class="layer02-wrap"> <ul class="layer02-ul"> <li><a href="/en/ip/intro.html">JPNIC's IP Address Service</a></li> <li><a href="/en/ip/member/">IP Address Management Agent</a></li> <li><a href="/en/ip/policy-development.html">Policy Development</a></li> <li><a href="/en/ip/ipv6/">IPv6 in Japan</a></li> <li><a href="/en/ip/ipv4pool/">IPv4 Address Exhaustion</a></li> <li><a href="/en/ip/irr/">IRR (Internet Routing Registory)</a></li> <li><a href="/en/db/whois/">WHOIS</a></li> <li><a href="/en/ip/ipv4transfer-log.html">IPv4 Transfer Log</a></li> <li><a href="/en/ip/asntransfer-log.html">AS Number Transger Log</a></li> <li><a href="/en/stat/ip/">Statistics</a></li> </ul> </div> </div> </div> </li> <li class="layer01-li ip-en"> <a href="/en/"><i class="fas fa-archive"></i>Service & Info</a> <div class="global-nav-list"> <div class="global-nav-bg"> <div class="layer02-wrap"> <ul class="layer02-ul"> <li><a href="/en/drp/">JP Domain Name Dispute Resolution Policy (JP-DRP)</a></li> <li><a href="/en/dns/ns.html">Related DNS Services</a></li> <li><a href="/en/ip/irr/">IRR (Internet Routing Registry)</a></li> <li><a href="/en/dom/jpdom.html">Management of JP Domain Name</a></li> <li><a href="/en/dom/escrow.html">Escrow of JP Domain Name</a></li> <li><a href="/timeline/en/">The Internet Timeline</a></li> </ul> </div> </div> </div> </li> <li class="layer01-li member"> <a href="/en/profile/"><i class="fas fa-user"></i>About JPNIC</a> <div class="global-nav-list"> <div class="global-nav-bg"> <div class="border"> <div class="layer02-wrap"> <ul class="layer02-ul"> <li><a href="/en/profile/about.html">Corporate Profile</a></li> <li><a href="/en/profile/member-list.html">Board of Trustees</a></li> <li><a href="/en/profile/service.html">Services</a></li> <li><a href="/en/profile/history/">History of JPNIC</a></li> <li><a href="/en/topics/">Topics</a></li> <li><a href="/en/newsletter/">Newsletter</a></li> <li><a href="/en/profile/map.html">Access</a></li> </ul> </div> </div> </div> </div> </li> </ul> </div> </header> <div class="sp-parts"> <div class="sp-header"> <div class="nav-wrap"> <div class="hamburger"> <span class="pullbtn" data-target="sp-hamburger-area"> <i class="fas fa-bars"></i> </span> </div> <div class="p-h1"> <a href="/en/"><img src="/common/img/h1.png" alt="Logo:JPNIC"></a> </div> <div class="search"> <span class="pullbtn" data-target="sp-search-area"> <i class="fas fa-search"></i> </span> </div> </div> </div> <div class="sp-search-area pulldown"> <div class="sp-search-tab"> <span class="whois-btn btn on" data-target="whois-input"> WHOIS Search </span> <span class="search-btn btn" data-target="search-input"> Site Search </span> </div> <div class="sp-search-input"> <div class="whois-input inputbox on"> <form name="form2" method="get" action="https://whois.nic.ad.jp/cgi-bin/whois_gw?link=e"> <input type="text" name="key" title="WHOIS" > <input type="hidden" name="lang" value="/e" > <input type="hidden" name="codecheck-sjis" value="Japan Network Information Center"> <button type="submit" value="" name="submit"><i class="fa fa-search"></i></button> </form> <ul> <li><a href="/en/db/whois/">About WHOIS</a></li> <li>｜</li> <li><a href="/en/db/whois/en-gateway.html">JPNIC WHOIS Gateway</a></li> </ul> </div> <div class="search-input inputbox"> <form id="g-b-search3" method="get"> <input type="search" name="q" placeholder="keyword"> <input type="hidden" name="cx" value="001914058880326500043:7gw58elie3y"> <input type="hidden" name="q1" value="site:https://www.nic.ad.jp/"> <button class="google" type="submit" value="Google" formaction="//google.com/cse" formtarget="_blank">Google</button><button class="bing" type="submit" value="Bing" formaction="https://www.bing.com/search" formtarget="_blank">Bing</button> <script src="//www.google.com/cse/brand?form=g-b-search&lang=en"></script> </form> <p class="sugges">Frequently Searched Keywords</p> <ul> <li><a href="https://cse.google.com/cse?q=IPv6&cx=001914058880326500043%3A7gw58elie3y&q1=site%3Ahttps%3A%2F%2Fwww.nic.ad.jp%2F"><i class="fa fa-caret-right"></i>IPv6</a></li> <li><a href="https://cse.google.com/cse?q=DNS&cx=001914058880326500043%3A7gw58elie3y&q1=site%3Ahttps%3A%2F%2Fwww.nic.ad.jp%2F"><i class="fa fa-caret-right"></i>DNS</a></li> <li><a href="https://cse.google.com/cse?q=HTTP&cx=001914058880326500043%3A7gw58elie3y&q1=site%3Ahttps%3A%2F%2Fwww.nic.ad.jp%2F"><i class="fa fa-caret-right"></i>HTTP</a></li> <li><a href="https://cse.google.com/cse?q=WHOIS&cx=001914058880326500043%3A7gw58elie3y&q1=site%3Ahttps%3A%2F%2Fwww.nic.ad.jp%2F"><i class="fa fa-caret-right"></i>WHOIS</a></li> <li><a href="https://cse.google.com/cse?q=BGP&cx=001914058880326500043%3A7gw58elie3y&q1=site%3Ahttps%3A%2F%2Fwww.nic.ad.jp%2F"><i class="fa fa-caret-right"></i>BGP</a></li> <li><a href="https://cse.google.com/cse?q=IPv4&cx=001914058880326500043%3A7gw58elie3y&q1=site%3Ahttps%3A%2F%2Fwww.nic.ad.jp%2F"><i class="fa fa-caret-right"></i>IPv4</a></li> <li><a href="https://cse.google.com/cse?q=FQDN&cx=001914058880326500043%3A7gw58elie3y&q1=site%3Ahttps%3A%2F%2Fwww.nic.ad.jp%2F"><i class="fa fa-caret-right"></i>FQDN</a></li> </ul> </div> </div> </div> <div class="sp-hamburger-area pulldown"> <ul> <li class="toggle"> <span class="ip toggleBtn" data-target="ipmenu"><i class="fas fa-share-alt"></i>IP Address<i class="fas fa-plus-circle right-icon"></i><i class="fas fa-minus-circle right-icon"></i></span> <ul class="menu ipmenu"> <li><a href="/en/ip/intro.html"><i class="fas fa-angle-right"></i>JPNIC's IP Address Service</a></li> <li><a href="/en/ip/member/"><i class="fas fa-angle-right"></i>IP Address Management Agent</a></li> <li><a href="/en/ip/policy-development.html"><i class="fas fa-angle-right"></i>Policy Development</a></li> <li><a href="/en/ip/ipv6/"><i class="fas fa-angle-right"></i>IPv6 in Japan</a></li> <li><a href="/en/ip/ipv4pool/"><i class="fas fa-angle-right"></i>IPv4 Address Exhaustion</a></li> <li><a href="/en/ip/irr/"><i class="fas fa-angle-right"></i>IRR (Internet Routing Registory)</a></li> <li><a href="/en/db/whois/"><i class="fas fa-angle-right"></i>WHOIS</a></li> <li><a href="/en/ip/ipv4transfer-log.html"><i class="fas fa-angle-right"></i>IPv4 Transfer Log</a></li> <li><a href="/en/ip/asntransfer-log.html"><i class="fas fa-angle-right"></i>AS Number Transger Log</a></li> <li><a href="/en/stat/ip/"><i class="fas fa-angle-right"></i>Statistics</a></li> </ul> </li> <li class="toggle"> <span class="jpnic toggleBtn" data-target="jpnicmenu"><i class="fas fa-archive"></i>Service & Info<i class="fas fa-plus-circle right-icon"></i><i class="fas fa-minus-circle right-icon"></i></span> <ul class="menu jpnicmenu"> <li><a href="/en/drp/"><i class="fas fa-angle-right"></i>JP Domain Name Dispute Resolution Policy (JP-DRP)</a></li> <li><a href="/en/dns/ns.html"><i class="fas fa-angle-right"></i>Related DNS Services</a></li> <li><a href="/en/ip/irr/"><i class="fas fa-angle-right"></i>IRR (Internet Routing Registry)</a></li> <li><a href="/en/dom/jpdom.html"><i class="fas fa-angle-right"></i>Management of JP Domain Name</a></li> <li><a href="/en/dom/escrow.html"><i class="fas fa-angle-right"></i>Escrow of JP Domain Name</a></li> <li><a href="/timeline/en/"><i class="fas fa-angle-right"></i>The Internet Timeline</a></li> </ul> </li> <li class="toggle"> <span class="member toggleBtn" data-target="membermenu"><i class="fas fa-archive"></i>About JPNIC<i class="fas fa-plus-circle right-icon"></i><i class="fas fa-minus-circle right-icon"></i></span> <ul class="menu membermenu"> <li><a href="/en/profile/about.html"><i class="fas fa-angle-right"></i>Corporate Profile</a></li> <li><a href="/en/profile/member-list.html"><i class="fas fa-angle-right"></i>Board of Trustees</a></li> <li><a href="/en/profile/service.html"><i class="fas fa-angle-right"></i>Services</a></li> <li><a href="/en/profile/history/"><i class="fas fa-angle-right"></i>History of JPNIC</a></li> <li><a href="/en/topics/"><i class="fas fa-angle-right"></i>Topics</a></li> <li><a href="/en/newsletter/"><i class="fas fa-angle-right"></i>Newsletter</a></li> <li><a href="/en/profile/map.html"><i class="fas fa-angle-right"></i>Access</a></li> </ul> </li> <li class="sub-menu"><a href="/en/sitemap.html"><i class="fas fa-sitemap"></i>Site Map<i class="fas fa-arrow-circle-right right-icon"></i></a></li> <li class="sub-menu"><a href="/en/profile/map.html"><i class="fas fa-map-marker-alt"></i>Access<i class="fas fa-arrow-circle-right right-icon"></i></a></li> <li class="sub-menu"><a href="/ja/"><i class="fas fa-language" style="margin-left: 0;"></i>Japanese Page<i class="fas fa-arrow-circle-right right-icon"></i></a></li> </ul> </div> </div> <div id="main-container"> <div id="breadcrumb" class="wrapper"> <div class="breadcrumbset" data-jpnic-vpath="/en/tech/"> <div class="breadcrumb-link"> <a href="/en/">TOP PAGE</a><span class="separator">></span><a href="/en/tech/">Technical Informations</a> </div> </div> <script type="text/x-breadcrumb-config" data-jpnic-vpath="/en/tech/03/" data-jpnic-text="ENUM" data-jpnic-topicpath-text="ENUM" data-jpnic-index="2" data-jpnic-istopicpath="true" data-jpnic-ismenu="true"></script> </div> <div id="util" class="wrapper"> <a id="print-page-preview-btn"><img src="/common/img/printBtn_01e.gif" alt="Print Preview"></a> <div id="print-preview"> <div class="print-btn-wrapper"> <img src="/common/img/printBtn_02e.gif" id="print-back-btn" alt="Back to Page"> <img src="/common/img/printBtn_03e.gif" id="print-this-page-btn" alt="Print this page"> </div> </div> <div class="social-btn2"> </div> </div> <div id="main" class="wrapper clearfix"> <article class="main-article"> <div class="pkg" id="primaryContent"> <h1>ENUM</h1> <h2>About ENUM (Telephone Number Mapping)</h2> <p> ENUM is a mechanism through which users can identify one or more Internet service applications corresponding to telephone numbers in URI format by looking up the DNS. This enables connection from applications designated by the URI, such as VoIP or e-mail. </p> <p> JPNIC performs the secretariats of the ENUM Study Group(desk plan) and ENUM Trial JAPAN(ETJP/trial group). </p> <ul> <li><a href="/ja/enum/">ENUM in Japanese</a></li> </ul> <h2>JAPAN ENUM Trial on cc81 (Jan.2006-)</h2> <p> JAPAN ENUM Trial aims to assign a part of the E.164 number space of Japan that begins with the country code "81" to the ENUM trial participants in Japan in both technical and operational phases of study for ENUM including international interoperability. </p> <ul> <li><a href="/en/enum-trial/">Details of JAPAN ENUM Trial on cc81</a></li> </ul> <h2>ENUM Trial JAPAN(ETJP)(Sep.2003-)</h2> <h3><a href="http://etjp.jp/english/" class="external">About ETJP</a></h3> <p> ETJP was established by JPNIC, Japan Registry Services, Co., Ltd. and WIDE Project in September 2003 to conduct a technical experiment concerning ENUM. ETJP performs ENUM trials to ensure functions and feasiblity including infrastructure service by DNS and telecommunication applications and services, and to provide a space for streamlining and investigating technical issues for launching services. </p> <p> ETJP is offering the place to examine following technical issue. </p> <ol> <li>DNS operation for ENUM Trial</li> <li> Feasibility test of communication applications (device, software) using ENUM </li> <li>Feasibility test of communication services</li> </ol> <ul> <li><a href="http://etjp.jp/about/activity/20040512/ETJPreport0512.pdf" class="external">ETJP 1st Report (Japanese only)</a></li> <li><a href="http://etjp.jp/about/activity/20041111/ETJP_2nd_report1111.pdf" class="external">ETJP 2nd Report (Japanese only)</a></li> <li><a href="http://etjp.jp/members/" class="external">Member's only</a></li> </ul> <h2>ENUM Study Group (Sep.2002-)</h2> <h3>About ENUM Study Group</h3> <p> ENUM Study Group was established by JPNIC(as secretariat), as a non-profit organization to make proposals concerning ENUM management, operational methods and technical standards that suit recent circumstances of Japan in September, 2002. </p> <p> After the ENUM Study Group Report publication in May, 2003, an actual trial has been succeeded to ETJP. </p> <ul> <li> <a href="/en/enum/prospectus.html">Prospectus for ENUM Study Group Establishment</a> (<a href="/ja/enum/syuisyo.html">Japanese Version</a>) </li> <li> <a href="/en/enum/memberlist.html">List of ENUM Study Group Members</a> (<a href="/ja/enum/memberlist.html">Japanese Version</a>) </li> <li> <a href="/en/enum/ENUMReport.pdf">ENUM Study Group Report</a> (PDF, 415KB) (<a href="/ja/enum/report/enum-report2003.pdf">Japanese Version</a>) </li> <li><a href="/enum-rg/">Member's only</a></li> </ul> <h2>related links</h2> <ul> <li>ITU <ul> <li><a href="http://www.itu.int/osg/spu/enum/index.phtml" class="external">ENUM Top</a></li> <li><a href="http://www.itu.int/itudoc/itu-t/enum/enum-app.html" class="external">Assigned E164 Country Codes</a></li> </ul> </li> <li>RIPE-NCC <ul> <li><a href="http://www.ripe.net/enum/" class="external">ENUM Homepage</a></li> </ul> </li> <li>IETF <ul> <li><a href="http://www.ietf.org/html.charters/enum-charter.html" class="external">IETF Telephone Number Mapping (enum) WG.</a></li> </ul> </li> <li>MIC (Ministry of Internal Affairs and Communications) <ul> <li>The Fiscal Year 2002 - 2003 <ul> <li><a href="http://www.soumu.go.jp/s-news/2002/020322_1.html" class="external">About the Fiscal Year 2002 Study Group on Telecommunications Numbers (in Japanese)</a></li> <li><a href="http://www.soumu.go.jp/joho_tsusin/eng/Releases/Telecommunications/news030918_2.html" class="external">Report by the Fiscal Year 2002 Study Group on Telecommunications Numbers </a></li> </ul> </li> <li>The Fiscal Year 2004 - 2005 <ul> <li><a href="http://www.soumu.go.jp/joho_tsusin/eng/Releases/Telecommunications/news041207_2.html" class="external">Study Group on Telecommunications Numbers in the IP Era</a></li> <li><a href="http://www.soumu.go.jp/joho_tsusin/eng/Releases/Telecommunications/news050810_2.html" class="external">First Report of "Study Group on Telecommunications Numbers in the IP Era"</a></li> </ul> </li> </ul> </li> <li> <a href="/en/voip-sip-tf/">VoIP System Interoperability Task Force</a> </li> </ul> </div> </article> <nav id="menu" data-jpnic-vpath="/en/"><ul class="main-nav"> <li data-jpnic-vpath="/en/profile/"> <a href="/en/profile/index.html">About JPNIC</a><ul class="sub-nav"> <li data-jpnic-vpath="/en/profile/01/"><a href="/en/profile/about.html">Corporate Profile</a></li> <li data-jpnic-vpath="/en/profile/02/"><a href="/en/profile/service.html">Services</a></li> <li data-jpnic-vpath="/en/profile/03/"><a href="/en/pressrelease/index.html">Press Release</a></li> <li data-jpnic-vpath="/en/profile/04/"><a href="/en/profile/history/index.html">History of JPNIC</a></li> <li data-jpnic-vpath="/en/profile/05/"><a href="/en/profile/link.html">Links</a></li> </ul> </li> <li data-jpnic-vpath="/en/ip/"> <a href="/en/ip/index.html">IP Address</a><ul class="sub-nav"> <li data-jpnic-vpath="/en/ip/intro/"><a href="/en/ip/intro.html">Introduction of JPNIC's IP Address Services</a></li> <li data-jpnic-vpath="/en/ip/agents/"><a href="/en/ip/member/index.html">About IP Address Management Agents</a></li> <li data-jpnic-vpath="/en/ip/whois/"><a href="/en/db/whois/index.html">WHOIS</a></li> <li data-jpnic-vpath="/en/ip/irr/"><a href="/en/ip/irr/index.html">IRR (Internet Routing Registry)</a></li> <li data-jpnic-vpath="/en/ip/policydevelop/"><a href="/en/ip/policy-development.html">Policy Development</a></li> <li data-jpnic-vpath="/en/ip/ipv6/"><a href="/en/ip/ipv6/index.html">IPv6 situation in Japan</a></li> <li data-jpnic-vpath="/en/ip/ipv4pool/"><a href="/en/ip/ipv4pool/index.html">IPv4 address exhaustion in Internet Registries</a></li> <li data-jpnic-vpath="/en/ip/ipv4transfer/"><a href="/en/ip/ipv4transfer-log.html">IPv4 Transfer Log in JPNIC</a></li> <li data-jpnic-vpath="/en/ip/astransfer/"><a href="/en/ip/asntransfer-log.html">AS Number Transfer Log in JPNIC</a></li> <li data-jpnic-vpath="/en/ip/04/"><a href="/en/stat/ip/index.html">Statistics on IP addresses, AS numbers, and IRR services</a></li> </ul> </li> <li data-jpnic-vpath="/en/tech/"> <a href="/en/tech/index.html">Technical Informations</a><ul class="sub-nav"> <li data-jpnic-vpath="/en/tech/01/"><a href="/en/ip/irr/index.html">IRR (Internet Routing Registry)</a></li> <li data-jpnic-vpath="/en/tech/03/"><a href="/en/enum/index.html">ENUM</a></li> <li data-jpnic-vpath="/en/tech/02/"><a href="/en/dns/ns.html">DNS</a></li> <li data-jpnic-vpath="/en/tech/05/"><a href="/en/idn/index.html">Internationalized Domain Names</a></li> </ul> </li> <li data-jpnic-vpath="/en/dom/"> <a href="/en/dom/index.html">Domain Name</a><ul class="sub-nav"> <li data-jpnic-vpath="/en/dom/03/"><a href="/en/dom/intro.html">Introduction to JPNIC's Domain-name Related Businesses</a></li> <li data-jpnic-vpath="/en/dom/04/"><a href="/en/dom/jpdom.html">About Management of JP Domain Name</a></li> <li data-jpnic-vpath="/en/dom/jpdrp/"><a href="/en/drp/index.html">JP Domain Name Dispute Resolution Policy(JP-DRP)</a></li> <li data-jpnic-vpath="/en/dom/05/"><a href="/en/dom/escrow.html">Escrow of JP Domain Name Registry Data</a></li> <li data-jpnic-vpath="/en/dom/06/"><a href="/en/idn/index.html">Internationalized Domain names (IDN)</a></li> <li data-jpnic-vpath="/en/dom/02/"><a href="/en/stat/dom/index.html">Statistics on JP Domain Names</a></li> <li data-jpnic-vpath="/en/dom/gtld/"><a href="/ja/stat/dom/gtld.html">Statistics on gTLDS</a></li> </ul> </li> <li data-jpnic-vpath="/en/library/"> <a href="/en/library.html">JPNIC Library</a><ul class="sub-nav"> <li data-jpnic-vpath="/en/library/03/"><a href="/en/newsletter/index.html">Newsletters</a></li> <li data-jpnic-vpath="/en/library/timeline/"><a href="/timeline/en/index.html">The Internet Timeline</a></li> <li data-jpnic-vpath="/en/library/02/"><a href="/en/event/index.html">Presentations</a></li> <li data-jpnic-vpath="/en/library/04/"><a href="/en/pub/index.html">Publications</a></li> <li data-jpnic-vpath="/en/library/research/"><a href="/en/research/index.html">Research Project</a></li> <li data-jpnic-vpath="/en/library/05/"><a href="/en/profile/photo.html">Photo Gallery</a></li> </ul> </li> <li data-jpnic-vpath="/en/topics/"> <a href="/en/topics/index.html">Topics</a><ul class="sub-nav"> <li data-jpnic-vpath="/en/topics/2025/"><a href="/en/topics/2025-index.html">2025</a></li> <li data-jpnic-vpath="/en/topics/2024/"><a href="/en/topics/2024-index.html">2024</a></li> <li data-jpnic-vpath="/en/topics/2023/"><a href="/en/topics/2023-index.html">2023</a></li> <li data-jpnic-vpath="/en/topics/2022/"><a href="/en/topics/2022-index.html">2022</a></li> <li data-jpnic-vpath="/en/topics/2021/"><a href="/en/topics/2021-index.html">2021</a></li> <li data-jpnic-vpath="/en/topics/2020/"><a href="/en/topics/2020-index.html">2020</a></li> <li data-jpnic-vpath="/en/topics/2019/"><a href="/en/topics/2019-index.html">2019</a></li> <li data-jpnic-vpath="/en/topics/2018/"><a href="/en/topics/2018-index.html">2018</a></li> <li data-jpnic-vpath="/en/topics/2017/"><a href="/en/topics/2017-index.html">2017</a></li> <li data-jpnic-vpath="/en/topics/2016/"><a href="/en/topics/2016-index.html">2016</a></li> <li data-jpnic-vpath="/en/topics/2015/"><a href="/en/topics/2015-index.html">2015</a></li> <li data-jpnic-vpath="/en/topics/2014/"><a href="/en/topics/2014-index.html">2014</a></li> <li data-jpnic-vpath="/en/topics/2013/"><a href="/en/topics/2013-index.html">2013</a></li> <li data-jpnic-vpath="/en/topics/2012/"><a href="/en/topics/2012-index.html">2012</a></li> <li data-jpnic-vpath="/en/topics/2011/"><a href="/en/topics/2011-index.html">2011</a></li> <li data-jpnic-vpath="/en/topics/2010/"><a href="/en/topics/2010-index.html">2010</a></li> <li data-jpnic-vpath="/en/topics/2009/"><a href="/en/topics/2009-index.html">2009</a></li> <li data-jpnic-vpath="/en/topics/2008/"><a href="/en/topics/2008-index.html">2008</a></li> <li data-jpnic-vpath="/en/topics/2007/"><a href="/en/topics/2007-index.html">2007</a></li> <li data-jpnic-vpath="/en/topics/2006/"><a href="/en/topics/2006-index.html">2006</a></li> <li data-jpnic-vpath="/en/topics/2005/"><a href="/en/topics/2005-index.html">2005</a></li> <li data-jpnic-vpath="/en/topics/2004/"><a href="/en/topics/2004-index.html">2004</a></li> <li data-jpnic-vpath="/en/topics/2003/"><a href="/en/topics/2003-index.html">2003</a></li> <li data-jpnic-vpath="/en/topics/2002/"><a href="/en/topics/2002-index.html">2002</a></li> <li data-jpnic-vpath="/en/topics/2001/"><a href="/en/topics/2001-index.html">2001</a></li> <li data-jpnic-vpath="/en/topics/2000/"><a href="/en/topics/2000-index.html">2000</a></li> <li data-jpnic-vpath="/en/topics/1999/"><a href="/en/topics/1999-index.html">1999</a></li> <li data-jpnic-vpath="/en/topics/1998/"><a href="/en/topics/1998-index.html">1998</a></li> <li data-jpnic-vpath="/en/topics/0/"><a href="/en/topics/all-index.html">all</a></li> </ul> </li> </ul></nav> <div id="enqform" class="rating-form"> <form name="webenq" method="get" action="https://serv.nic.ad.jp/cgi-bin/web-eval-form.cgi"> <input type="hidden" name="url" value="http://www.nic.ad.jp/en/enum/index.html"> <input type="hidden" name="scripturl" value="" id="webenq-url"> <script>document.getElementById("webenq-url").value = location.href;</script> <h3>Rate this page</h3> <fieldset> <fieldset><legend><span>Did this page help you to achieve your goal?</span></legend> <ul> <li><input type="radio" name="q1" id="enq_q1_1" value="1"><label for="enq_q1_1">Yes</label></li> <li><input type="radio" name="q1" id="enq_q1_2" value="2"><label for="enq_q1_2">No</label></li> <li><input type="radio" name="q1" id="enq_q1_3" value="3" checked><label for="enq_q1_3">Don't know</label></li> </ul> </fieldset> <fieldset><legend><span>Please let us know if you have any suggestions as to how we could improve this page.</span></legend> <p>If you require an answer, please contact us by <a href="mailto:query@nic.ad.jp
">email</a>.</p> <textarea name="opinion" cols="60" rows="5" tabindex="15"></textarea> </fieldset> </fieldset> <input type="submit" value="Send"> </form> </div> </div> </div> <footer> <div class="footer-inner"> <div class="footer-category"> <ul> <li class="layer01-li"> <span> <a href="/en/profile/">About JPNIC</a> </span> <ul> <li><a href="/en/profile/about.html">Corporate Profile</a></li> <li><a href="/en/profile/service.html">Services</a></li> <li><a href="/en/pressrelease/">Press Release</a></li> <li><a href="/en/profile/history/">History of JPNIC</a></li> <li><a href="/en/profile/link.html">Links</a></li> </ul> </li> <li class="layer01-li"> <span> <a href="/en/ip/">IP Address</a> </span> <ul> <li><a href="/en/ip/intro.html">Introduction of JPNIC's IP Address Services</a></li> <li><a href="/en/ip/member/">About IP Address Management Agents</a></li> <li><a href="/en/db/whois/">WHOIS</a></li> <li><a href="/en/ip/irr/">IRR (Internet Routing Registry)</a></li> <li><a href="/en/ip/policy-development.html">Policy Development</a></li> <li><a href="/en/ip/ipv6/">IPv6 related information by JPNIC</a></li> <li><a href="/en/ip/ipv4pool/">IPv4 Address Pool Ran Out in the Asia Pacific Region</a></li> <li><a href="/en/ip/ipv4transfer-log.html">IPv4 Transfer Log in JPNIC</a></li> <li><a href="/en/ip/asntransfer-log.html">AS Number Transfer Log in JPNIC</a></li> <li><a href="/en/stat/ip/">Statistics on IP addresses, AS numbers, and IRR services</a></li> </ul> </li> <li class="layer01-li"> <span> <a href="/en/tech/">Technical Information</a> </span> <ul> <li><a href="/en/ip/irr/">IRR (Internet Routing Registry)</a></li> <li><a href="/en/dns/ns.html">DNS Servers related to JPNIC</a></li> <li><a href="/en/enum/">ENUM</a></li> <li><a href="/en/idn/">Internationalized Domain Names</a></li> </ul> </li> <li class="layer01-li"> <span> <a href="/en/dom/">Domain Names</a> </span> <ul> <li><a href="/en/dom/intro.html">Introduction to JPNIC's Domain-name Related Businesses</a></li> <li><a href="/en/dom/jpdom.html">About Management of JP Domain Name</a></li> <li><a href="/en/drp/">JP Domain Name Dispute Resolution Policy (JP-DRP)</a></li> <li><a href="/en/dom/escrow.html">Escrow of JP Domain Name Registry Data; 3-Party Joint Operation Begins</a></li> <li><a href="/en/idn/">Internationalized Domain Names</a></li> <li><a href="/en/stat/dom/">Statistics on JP Domain Names</a></li> <li><a href="/ja/stat/dom/gtld.html">Statistics on gTLDs (in Japanese)</a></li> </ul> </li> <li class="layer01-li"> <span> <a href="/en/library.html">JPNIC Library</a> </span> <ul> <li><a href="/en/newsletter/">JPNIC newsletter</a></li> <li><a href="/timeline/en/">The Internet Timeline</a></li> <li><a href="/en/event/">Presentations</a></li> <li><a href="/en/pub/">Publications</a></li> <li><a href="/en/research/">Research Projects</a></li> <li><a href="/en/profile/photo.html">Photo Gallery</a></li> </ul> </li> <li class="layer01-li"> <span> <a href="/en/topics/">Topics</a> </span> <ul> <li><a href="/en/topics/2024-index.html">2024</a></li> <li><a href="/en/topics/2023-index.html">2023</a></li> <li><a href="/en/topics/2022-index.html">2022</a></li> <li><a href="/en/topics/2021-index.html">2021</a></li> <li><a href="/en/topics/2020-index.html">2020</a></li> <li><a href="/en/topics/2019-index.html">2019</a></li> <li><a href="/en/topics/2018-index.html">2018</a></li> <li><a href="/en/topics/2017-index.html">2017</a></li> <li><a href="/en/topics/2016-index.html">2016</a></li> <li><a href="/en/topics/2015-index.html">2015</a></li> <li><a href="/en/topics/2014-index.html">2014</a></li> <li><a href="/en/topics/2013-index.html">2013</a></li> <li><a href="/en/topics/2012-index.html">2012</a></li> <li><a href="/en/topics/2011-index.html">2011</a></li> <li><a href="/en/topics/2010-index.html">2010</a></li> <li><a href="/en/topics/2009-index.html">2009</a></li> <li><a href="/en/topics/2008-index.html">2008</a></li> <li><a href="/en/topics/2007-index.html">2007</a></li> <li><a href="/en/topics/2006-index.html">2006</a></li> <li><a href="/en/topics/2005-index.html">2005</a></li> <li><a href="/en/topics/2004-index.html">2004</a></li> <li><a href="/en/topics/2003-index.html">2003</a></li> <li><a href="/en/topics/2002-index.html">2002</a></li> <li><a href="/en/topics/2001-index.html">2001</a></li> <li><a href="/en/topics/2000-index.html">2000</a></li> <li><a href="/en/topics/1999-index.html">1999</a></li> <li><a href="/en/topics/1998-index.html">1998</a></li> <li><a href="/en/topics/1997-index.html">1997</a></li> </ul> </li> <li class="layer01-li"> <span> <a href="/en/db/whois/">WHOIS</a> </span> <ul> <li><a href="/en/db/whois/en-gateway.html">Gateway</a></li> <li><a href="/en/db/whois/objects.html">Examples</a></li> </ul> </li> <li class="layer01-li"> <span>Another Media</span> <ul> <li><a href="https://blog.nic.ad.jp/">Blog</a> (In Japanese)</li> <li><a href="/ja/mailmagazine/">Mail Magzeine</a> (In Japanese)</li> <li><a href="/en/newsletter/">newsletter</a></li> <li><a href="/ja/profile/ml.html">Mailing Lists</a> (In Japanese)</li> <li><a href="https://twitter.com/JPNIC_info">Twitter</a></li> </ul> </li> </ul> </div> <div class="footer-nav"> <div class="util"> <div class="social"> <a class="facebook" href="https://www.facebook.com/sharer/sharer.php?u=https://www.nic.ad.jp/ja/" onclick="window.open(encodeURI(decodeURI(this.href)), 'FBwindow', 'width=554, height=470, menubar=no, toolbar=no, scrollbars=yes'); return false;" rel="nofollow"> <i class="fab fa-facebook-f"></i> </a> <a class="twitter" href="http://twitter.com/share?text=Japan Network Information Center - JPNIC&url=/en/" onclick="window.open(encodeURI(decodeURI(this.href)), 'tweetwindow', 'width=650, height=470, personalbar=0, toolbar=0, scrollbars=1, sizable=1'); return false;" rel="nofollow"> <i class="fab fa-twitter"></i> </a> <a class="rss" href="/en/index.xml" > <i class="fas fa-rss"></i> </a> </div> </div> </div> <div class="footer-nav02"> <ul> <li><a href="/en/">Top</a></li> <li><a href="/en/profile/">About JPNIC</a></li> <li><a href="/en/profile/info.html">Contact</a></li> <li><a href="/en/copyright.html">Copyright</a></li> <li><a href="/en/sitemap.html">Site Map</a></li> </ul> </div> </div> <div class="copy-area"> <div class="copy-inner"> <p class="foot-logo"> <a href="/"><img src="/common/img/footer-h1.png" alt="logo:JPNIC"></a> </p> <p class="copy"> Copyright© 1996-2025 Japan Network Information Center. All Rights Reserved. </p> </div> </div> </footer> <div class="sp-footer"> <ul class="footer-layer01"> <li> <span class="footer-nav-toggle" data-target="footerCategory">Cetegories<i class="fas fa-plus-circle"></i><i class="fas fa-minus-circle"></i></span> <ul class="footer-layer02 footerCategory"> <li><a href="/en/profile/"><i class="fas fa-angle-right"></i>About JPNIC</a></li> <li><a href="/en/ip/"><i class="fas fa-angle-right"></i>IP Address</a></li> <li><a href="/en/tech/"><i class="fas fa-angle-right"></i>Technical Information</a></li> <li><a href="/en/dom/"><i class="fas fa-angle-right"></i>Domain Names</a></li> <li><a href="/en/library.html"><i class="fas fa-angle-right"></i>JPNIC Library</a></li> <li><a href="/en/topics/"><i class="fas fa-angle-right"></i>Topics</a></li> <li><a href="/en/db/whois/"><i class="fas fa-angle-right"></i>WHOIS</a></li> </ul> </li> <li> <span class="footer-nav-toggle" data-target="footerMedia">Another Media<i class="fas fa-plus-circle"></i><i class="fas fa-minus-circle"></i></span> <ul class="footer-layer02 footerMedia"> <li><a href="https://blog.nic.ad.jp/">Blog (In Japanese)</a></li> <li><a href="/ja/mailmagazine/">Mail Magazine (In Japanese)</a></li> <li><a href="/en/newsletter/">Newsletter</a></li> <li><a href="/ja/profile/ml.html">Mailing Lists (In Japanese)</a></li> <li><a href="https://twitter.com/JPNIC_info">Twitter</a></li> </ul> </li> </ul> <div class="social"> <a class="facebook" href="https://www.facebook.com/sharer/sharer.php?u=https://www.nic.ad.jp/en/" onclick="window.open(encodeURI(decodeURI(this.href)), 'FBwindow', 'width=554, height=470, menubar=no, toolbar=no, scrollbars=yes'); return false;" rel="nofollow"> <i class="fab fa-facebook-f"></i> </a> <a class="twitter" href="http://twitter.com/share?text=Japan Network Information Center - JPNIC&url=/en/" onclick="window.open(encodeURI(decodeURI(this.href)), 'tweetwindow', 'width=650, height=470, personalbar=0, toolbar=0, scrollbars=1, sizable=1'); return false;" rel="nofollow"> <i class="fab fa-twitter"></i> </a> <a class="rss" href="/en/index.xml"> <i class="fas fa-rss"></i> </a> </div> <div class="footer-nav02"> <ul> <li><a href="/en/">Top</a></li> <li><a href="/en/profile/">About JPNIC</a></li> <li><a href="/en/profile/info.html">Contact</a></li> <li><a href="/en/copyright.html">Copyright</a></li> <li><a href="/en/sitemap.html">Site Map</a></li> </ul> </div> <div class="scroll-top"> <a href="#"></a> </div> </div> <div class="sp-copy-area"> <p><a href="/"><img src="/common/img/footer-h1.png" alt="logo:JPNIC"></a></p> <p class="copy">Copyright© 1996-2025 Japan Network Information Center. All Rights Reserved.</p> </div> <script src="//ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script> <script>window.jQuery || document.write('<script src="/common/js/libs/jquery-1.8.3.min.js"><\/script>')</script> <script src="/common/js/libs/jquery.cookie.js"></script> <script src="/common/js/plugins.js"></script> <script src="/common/js/script.js"></script> <script src="/common/js/script-en.js"></script> <script src="/common/js/topicpath.js"></script> <link rel="stylesheet" type="text/css" href="/common/slick/slick.css" media="screen" /> <link rel="stylesheet" type="text/css" href="/common/slick/slick-theme.css" media="screen" /> <script src="/common/slick/slick.min.js"></script> <script src="/common/js/common.js"></script> <script> $('.facebook').attr('href','https://www.facebook.com/sharer/sharer.php?u='+location.href); $('.twitter').attr('href','http://twitter.com/share?text='+$('title').html()+'&url='+location.href); </script> <script src="//cdnjs.cloudflare.com/ajax/libs/cookieconsent2/3.1.0/cookieconsent.min.js"></script> <script> window.addEventListener("load", function(){ window.cookieconsent.initialise({ "palette": { "popup": { "background": "#468618", "text": "white" }, "button": { "background": "white", "text": "black" } }, "showLink": false, "content": { "message": "This site uses cookies for font size recording and access nalysis.", "dismiss": "OK" } })}); </script> </body> </html>

CINXE.COM

ENUM - JPNIC