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AS2501
UTnet - The University of Tokyo Announcing routesAS nameUTnet
CountryJP
Registry (RIR)APNIC
HandleAS2501
RangeAS2501
Registered—
Last changed19 Mar 2014
4IPv4 prefixes
2IPv6 prefixes
2Upstreams
0Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS2907 | SINET-AS - Research Organization of Information and Systems, National Institute of Informatics | 206 |
| AS2500 | WIDE-BB - WIDE Project | 11 |
Downstreams
None seen.
IPv4 prefixes (4)
IPv6 prefixes (2)
RPKI-validate all prefixes of AS2501
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| technical, administrative | 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 |
| technical, administrative | MN010JP | |||
| technical | YS7474JP |
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/2501",
"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/2501",
"rel": "inaccuracy-report",
"href": "https://www.apnic.net/manage-ip/using-whois/abuse-and-spamming/invalid-contact-form",
"type": "text/html"
}
]
}
],
"country": "JP",
"name": "UTnet",
"status": [
"active"
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2014-03-19T00:59:42Z"
}
],
"links": [
{
"value": "https://jpnic.rdap.apnic.net/autnum/2501",
"rel": "self",
"href": "https://jpnic.rdap.apnic.net/autnum/2501",
"type": "application/rdap+json"
}
],
"remarks": [
{
"description": [
"The University of Tokyo"
],
"title": "description"
}
],
"entities": [
{
"roles": [
"technical",
"administrative"
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2022-01-05T03:04:02Z"
}
],
"links": [
{
"value": "https://jpnic.rdap.apnic.net/autnum/2501",
"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": [
"technical",
"administrative"
],
"links": [
{
"value": "https://jpnic.rdap.apnic.net/autnum/2501",
"rel": "related",
"href": "http://whois.nic.ad.jp/cgi-bin/whois_gw?key=MN010JP/e",
"type": "text/html",
"hreflang": "en"
},
{
"value": "https://jpnic.rdap.apnic.net/autnum/2501",
"rel": "related",
"href": "http://whois.nic.ad.jp/cgi-bin/whois_gw?key=MN010JP",
"type": "text/html",
"hreflang": "jp"
}
],
"handle": "MN010JP",
"objectClassName": "entity"
},
{
"roles": [
"technical"
],
"links": [
{
"value": "https://jpnic.rdap.apnic.net/autnum/2501",
"rel": "related",
"href": "http://whois.nic.ad.jp/cgi-bin/whois_gw?key=YS7474JP/e",
"type": "text/html",
"hreflang": "en"
},
{
"value": "https://jpnic.rdap.apnic.net/autnum/2501",
"rel": "related",
"href": "http://whois.nic.ad.jp/cgi-bin/whois_gw?key=YS7474JP",
"type": "text/html",
"hreflang": "jp"
}
],
"handle": "YS7474JP",
"objectClassName": "entity"
}
],
"handle": "AS2501",
"startAutnum": 2501,
"endAutnum": 2501,
"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.