Free network tools
AS WHOIS
Look up an Autonomous System — holder, registry, contacts, announced IPv4/IPv6 prefixes, upstreams and downstreams.
Network Report (All-in-one) BGP Looking Glass BGP Security Check RPKI Validator BGP Hijack & Leak Monitor ASN Intelligence Internet Outages & Anomalies Country Internet Report Domain Insights IP WHOIS AS WHOIS
AS11293
UCOP-ASN - University of California - Office of the President Announcing routesAS nameUCOP-ASN
OrganisationUniversity of California - Office of the President
Registry (RIR)ARIN
HandleAS11293
RangeAS11293
Registered17 Jun 1998
Last changed02 Mar 2012
Abuse contact[email protected]
19IPv4 prefixes
0IPv6 prefixes
3Upstreams
0Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS6106 | UCR-EDU - University of California, Riverside | 483 |
| AS2152 | CENIC-2152 - CENIC | 297 |
| AS3356 | LEVEL3 - Level 3 Parent, LLC | 167 |
Downstreams
None seen.
IPv4 prefixes (19)
RPKI-validate all prefixes of AS11293
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| registrant | University of California - Office of the President | UCOP | Information Technology Services , 1111 Franklin Street, Oakland, CA, 94607, United States | |
| abuse | Network Operations | NETWO577-ARIN | [email protected], +1-510-987-0534 | Information Technology Services , Network , 300 Lakeside Drive, 3rd floor, Oakland, CA, 94612-3550, United States |
| technical | Network Operations | NETWO576-ARIN | [email protected], +1-510-987-0363;extEnterprise Operations, +1-510-987-0534 | Information Technology Services, Network, 1111 Franklin St., Oakland, CA, 94607, United States |
| administrative | Network Operations | NETWO575-ARIN | [email protected], +1-510-987-0363;ext(Computer Operations), +1-510-987-0534 | Technology Delivery Services Network, 1111 Franklin Street, Oakland, CA, 94607-5201, United States |
| technical | UCNet DNS Administrator | UD14-ORG-ARIN | [email protected], +1-510-987-0534, +1-510-893-9242 | Information Technology Services , Network , 300 Lakeside Drive, 3rd floor, Oakland, CA, 94612-3550, United States |
Raw registry response
{
"endAutnum": 11293,
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-03-02T10:48:33-05:00"
},
{
"eventAction": "registration",
"eventDate": "2004-05-12T17:27:06-04:00"
}
],
"handle": "NETWO577-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NETWO577-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/11293"
},
{
"href": "https://whois.arin.net/rest/poc/NETWO577-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/11293"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"ARIN has attempted to validate the data for this POC, but has received no response from the POC since 2026-03-02"
],
"title": "Unvalidated POC"
}
],
"roles": [
"abuse"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "Information Technology Services\r\nNetwork\r\n300 Lakeside Drive, 3rd floor\nOakland\nCA\n94612-3550\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Network Operations"
],
[
"org",
[],
"text",
"University of California, Office of the President"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-510-987-0534"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-06-11T00:25:44-04:00"
},
{
"eventAction": "registration",
"eventDate": "2004-05-12T17:27:06-04:00"
}
],
"handle": "NETWO576-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NETWO576-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/11293"
},
{
"href": "https://whois.arin.net/rest/poc/NETWO576-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/11293"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "Information Technology Services\nNetwork\n1111 Franklin St.\nOakland\nCA\n94607\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Network Operations"
],
[
"org",
[],
"text",
"University of California, Office of the President"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-510-987-0363;extEnterprise Operations"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-510-987-0534"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-08-06T11:14:56-04:00"
},
{
"eventAction": "registration",
"eventDate": "2004-05-12T17:27:06-04:00"
}
],
"handle": "NETWO575-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NETWO575-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/11293"
},
{
"href": "https://whois.arin.net/rest/poc/NETWO575-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/11293"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"administrative"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "Technology Delivery Services Network\n1111 Franklin Street\nOakland\nCA\n94607-5201\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Network Operations"
],
[
"org",
[],
"text",
"University of California, Office of the President"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-510-987-0363;ext(Computer Operations)"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-510-987-0534"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2022-06-06T18:06:35-04:00"
},
{
"eventAction": "registration",
"eventDate": "1986-06-02T00:00:00-04:00"
}
],
"handle": "UCOP",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/UCOP",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/11293"
},
{
"href": "https://whois.arin.net/rest/org/UCOP",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/11293"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"University of California - Office of the President"
],
[
"adr",
{
"label": "Information Technology Services\r\n1111 Franklin Street\nOakland\nCA\n94607\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2021-05-12T18:01:40-04:00"
},
{
"eventAction": "registration",
"eventDate": "1997-12-17T09:49:32-05:00"
}
],
"handle": "UD14-ORG-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/UD14-ORG-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/11293"
},
{
"href": "https://whois.arin.net/rest/poc/UD14-ORG-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/11293"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"ARIN has attempted to validate the data for this POC, but has received no response from the POC since 2022-05-12"
],
"title": "Unvalidated POC"
}
],
"roles": [
"technical"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "Information Technology Services\r\nNetwork\r\n300 Lakeside Drive, 3rd floor\nOakland\nCA\n94612-3550\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"UCNet DNS Administrator"
],
[
"org",
[],
"text",
"University of California Office of the President"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-510-987-0534"
],
[
"tel",
{
"type": [
"work",
"fax"
]
},
"text",
"+1-510-893-9242"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2012-03-02T08:03:18-05:00"
},
{
"eventAction": "registration",
"eventDate": "1998-06-17T00:00:00-04:00"
}
],
"handle": "AS11293",
"links": [
{
"href": "https://rdap.arin.net/registry/autnum/11293",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/11293"
},
{
"href": "https://whois.arin.net/rest/asn/AS11293",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/11293"
}
],
"name": "UCOP-ASN",
"notices": [
{
"description": [
"By using the ARIN RDAP/Whois service, you are agreeing to the RDAP/Whois Terms of Use"
],
"links": [
{
"href": "https://www.arin.net/resources/registry/whois/tou/",
"rel": "terms-of-service",
"type": "text/html",
"value": "https://rdap.arin.net/registry/autnum/11293"
}
],
"title": "Terms of Service"
},
{
"description": [
"If you see inaccuracies in the results, please visit: "
],
"links": [
{
"href": "https://www.arin.net/resources/registry/whois/inaccuracy_reporting/",
"rel": "inaccuracy-report",
"type": "text/html",
"value": "https://rdap.arin.net/registry/autnum/11293"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "autnum",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"nro_rdap_profile_asn_flat_0"
],
"startAutnum": 11293,
"status": [
"active"
]
}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.