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AS4713
OCN - NTT DOCOMO BUSINESS,Inc. Announcing routesAS nameOCN
CountryJP
Registry (RIR)APNIC
HandleAS4713
RangeAS4713
Registered—
Last changed21 Oct 2025
183IPv4 prefixes
6IPv6 prefixes
4Upstreams
119Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS2914 | NTT-DATA-2914 - NTT America, Inc. | 9457 |
| AS2497 | IIJ - Internet Initiative Japan Inc. | 263 |
| AS2518 | BIGLOBE - BIGLOBE Inc. | 60 |
| AS2516 | KDDI - KDDI CORPORATION | 5 |
Downstreams
| AS | Network name | Visibility |
|---|---|---|
| AS2914 | NTT-DATA-2914 - NTT America, Inc. | 16339 |
| AS2510 | INFOWEB - FUJITSU LIMITED | 780 |
| AS20940 | AKAMAI-ASN1 Akamai International B.V. | 507 |
| AS131893 | RICOH-NET - RICOH Company, Ltd. | 368 |
| AS136586 | INCOMMJAPANKK-AS-AP - InComm Japan K.K. | 254 |
| AS7677 | DNP - Dai Nippon Printing Co., Ltd | 215 |
| AS21433 | AccentureFSSC Accenture UK Limited | 212 |
| AS17934 | JGNv6 - National Institute of Information and Communications Technology | 186 |
| AS16880 | AS2-TRENDMICRO-COM - TREND MICRO INCORPORATED | 184 |
| AS18092 | CSF - Kyushu Tele Communications Company | 183 |
| AS38629 | OKN - NTT DOCOMO BUSINESS, Inc | 183 |
| AS9619 | SSD - Sony Global Solutions Inc. | 182 |
| AS37900 | MATSURI - NTT DOCOMO BUSINESS, Inc. | 181 |
| AS3573 | ACCENTURE - Accenture LLP | 180 |
| AS38639 | HANABI - NTT DOCOMO BUSINESS, Inc. | 175 |
IPv4 prefixes (183)
202.34.100.0/24150.61.35.0/24138.212.229.0/24138.212.252.0/24202.34.94.0/24222.144.0.0/13220.220.0.0/1561.4.162.0/2461.4.172.0/22138.212.241.0/24202.157.103.0/24119.161.104.0/21150.61.8.0/24202.34.80.0/24202.34.81.0/24223.216.0.0/14164.43.141.0/24202.34.103.0/24202.213.16.0/22202.255.27.0/24165.241.128.0/17202.34.108.0/23180.0.0.0/10219.96.128.0/17150.61.64.0/1861.114.120.0/21202.157.101.0/24123.216.0.0/1361.112.0.0/15150.61.33.0/24221.113.128.0/17210.134.16.0/20210.164.0.0/16150.61.13.0/24157.120.126.0/24138.212.239.0/24153.128.0.0/10165.241.8.0/22138.212.249.0/2461.126.0.0/15211.0.0.0/16202.246.176.0/2227.133.240.0/22211.11.0.0/1627.132.8.0/2461.4.161.0/24202.34.93.0/2427.114.0.0/17202.34.90.0/24203.139.160.0/19203.140.96.0/1961.4.163.0/24150.35.235.0/24202.34.102.0/24218.43.0.0/16165.241.12.0/22114.160.0.0/11164.162.6.0/24211.129.0.0/1661.199.0.0/16153.224.0.0/12210.154.0.0/16133.153.22.0/24157.120.125.0/24202.34.106.0/24210.190.0.0/1661.214.0.0/16202.34.83.0/2461.4.154.0/23202.157.120.0/22202.18.209.0/2461.4.164.0/22138.212.224.0/24150.61.53.0/2461.118.0.0/15153.240.0.0/13159.211.224.0/2461.114.112.0/21202.34.110.0/24210.254.128.0/17202.191.16.0/20165.241.0.0/21210.248.0.0/16150.35.0.0/16123.224.0.0/14138.212.245.0/24103.163.250.0/23210.170.64.0/18150.5.64.0/18125.200.0.0/13202.34.82.0/24121.112.0.0/1361.4.156.0/22221.184.0.0/1361.4.168.0/22202.34.107.0/24138.212.227.0/24164.162.16.0/24211.130.128.0/1761.207.0.0/16138.212.228.0/24202.157.124.0/24122.1.0.0/16153.124.192.0/2161.4.160.0/24125.172.0.0/14153.252.0.0/15219.160.0.0/13165.241.16.0/20150.61.49.0/24122.16.0.0/12138.212.225.0/24159.211.248.0/24210.225.0.0/16202.34.92.0/24165.241.64.0/18138.212.230.0/24182.161.76.0/22220.104.0.0/13150.61.128.0/17150.61.4.0/24159.211.22.0/24157.120.127.0/2436.52.223.0/24202.34.111.0/24114.144.0.0/12202.157.102.0/24202.246.122.0/23202.157.100.0/24164.162.5.0/24164.162.7.0/24124.96.0.0/13210.226.0.0/15211.1.32.0/19210.232.0.0/16153.192.0.0/11118.0.0.0/12125.170.0.0/1658.88.0.0/13211.16.0.0/15218.230.128.0/17202.255.28.0/23218.44.0.0/16211.6.0.0/16165.108.0.0/16124.84.0.0/14211.122.0.0/15202.19.152.0/24159.211.237.0/24157.64.0.0/16210.132.0.0/18202.18.210.0/24198.232.16.0/24150.61.46.0/24211.130.0.0/18202.234.192.0/18202.157.125.0/24138.212.238.0/24153.248.0.0/14165.241.32.0/19150.61.31.0/24157.120.124.0/24211.130.64.0/19202.157.116.0/22202.34.104.0/24219.114.0.0/1761.4.152.0/23118.16.0.0/13150.61.70.0/2460.32.0.0/12133.153.0.0/16218.224.0.0/16150.61.41.0/24210.145.0.0/16218.47.0.0/16210.171.200.0/21150.61.17.0/24202.157.112.0/2261.208.0.0/16220.96.0.0/14202.216.26.0/24210.160.0.0/14164.162.4.0/24
IPv6 prefixes (6)
RPKI-validate all prefixes of AS4713
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| administrative, technical | Japan Network Information Center | JNIC1-AP | [email protected], +81-3-5297-2311, +81-3-5297-2312 | Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda, Chiyoda-ku, Tokyo 101-0047, Japan |
| administrative | JP00278017 | |||
| technical | JP00278026 |
Raw registry response
{
"rdapConformance": [
"nro_rdap_profile_0",
"nro_rdap_profile_asn_hierarchical_0",
"cidr0",
"rdap_level_0"
],
"notices": [
{
"title": "Source",
"description": [
"Objects returned came from source",
"JPNIC"
]
},
{
"title": "Terms and Conditions",
"description": [
"This is the APNIC WHOIS Database query service. The objects are in RDAP format.",
"This information has been partially mirrored by APNIC from JPNIC. To obtain more specific information, please use the JPNIC WHOIS Gateway at http://www.nic.ad.jp/en/db/whois/en-gateway.html or whois.nic.ad.jp for WHOIS client. (The WHOIS client defaults to Japanese output, use the /e switch for English output)"
],
"links": [
{
"value": "https://jpnic.rdap.apnic.net/autnum/4713",
"rel": "terms-of-service",
"href": "http://www.apnic.net/db/dbcopyright.html",
"type": "text/html"
}
]
},
{
"title": "Whois Inaccuracy Reporting",
"description": [
"If you see inaccuracies in the results, please visit: "
],
"links": [
{
"value": "https://jpnic.rdap.apnic.net/autnum/4713",
"rel": "inaccuracy-report",
"href": "https://www.apnic.net/manage-ip/using-whois/abuse-and-spamming/invalid-contact-form",
"type": "text/html"
}
]
}
],
"country": "JP",
"name": "OCN",
"status": [
"active"
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-10-20T19:13:13Z"
}
],
"links": [
{
"value": "https://jpnic.rdap.apnic.net/autnum/4713",
"rel": "self",
"href": "https://jpnic.rdap.apnic.net/autnum/4713",
"type": "application/rdap+json"
}
],
"remarks": [
{
"description": [
"NTT DOCOMO BUSINESS,Inc."
],
"title": "description"
}
],
"entities": [
{
"roles": [
"administrative",
"technical"
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2022-01-05T03:04:02Z"
}
],
"links": [
{
"value": "https://jpnic.rdap.apnic.net/autnum/4713",
"rel": "self",
"href": "https://jpnic.rdap.apnic.net/entity/JNIC1-AP",
"type": "application/rdap+json"
}
],
"handle": "JNIC1-AP",
"objectClassName": "entity",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Japan Network Information Center"
],
[
"kind",
[],
"text",
"group"
],
[
"adr",
{
"label": "Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda\nChiyoda-ku, Tokyo 101-0047, Japan"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+81-3-5297-2311"
],
[
"tel",
{
"type": "fax"
},
"text",
"+81-3-5297-2312"
],
[
"email",
[],
"text",
"[email protected]"
]
]
]
},
{
"roles": [
"administrative"
],
"links": [
{
"value": "https://jpnic.rdap.apnic.net/autnum/4713",
"rel": "related",
"href": "http://whois.nic.ad.jp/cgi-bin/whois_gw?key=JP00278017/e",
"type": "text/html",
"hreflang": "en"
},
{
"value": "https://jpnic.rdap.apnic.net/autnum/4713",
"rel": "related",
"href": "http://whois.nic.ad.jp/cgi-bin/whois_gw?key=JP00278017",
"type": "text/html",
"hreflang": "jp"
}
],
"handle": "JP00278017",
"objectClassName": "entity"
},
{
"roles": [
"technical"
],
"links": [
{
"value": "https://jpnic.rdap.apnic.net/autnum/4713",
"rel": "related",
"href": "http://whois.nic.ad.jp/cgi-bin/whois_gw?key=JP00278026/e",
"type": "text/html",
"hreflang": "en"
},
{
"value": "https://jpnic.rdap.apnic.net/autnum/4713",
"rel": "related",
"href": "http://whois.nic.ad.jp/cgi-bin/whois_gw?key=JP00278026",
"type": "text/html",
"hreflang": "jp"
}
],
"handle": "JP00278026",
"objectClassName": "entity"
}
],
"handle": "AS4713",
"startAutnum": 4713,
"endAutnum": 4713,
"objectClassName": "autnum",
"port43": "whois.apnic.net"
}Results come from public internet registries and live global routing data. Results are cached for up to an hour. Lookups are logged with your IP address to prevent abuse — see our Privacy Policy.