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AS52
UCLA - University of California, Los Angeles Announcing routesAS nameUCLA
OrganisationUniversity of California, Los Angeles
Registry (RIR)ARIN
HandleAS52
RangeAS52
Registered24 Oct 1985
Last changed21 Nov 2023
Abuse contact[email protected]
10IPv4 prefixes
1IPv6 prefixes
2Upstreams
0Downstreams
Downstreams
None seen.
IPv4 prefixes (10)
IPv6 prefixes (1)
RPKI-validate all prefixes of AS52
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| registrant | University of California, Los Angeles | UCLA-Z | UCLA Communications Technology Services, Campus Services Building I, 2nd Floor, 741 Charles E. Young Drive South, Los Angeles, CA, 90095-1363, United States | |
| abuse | UCLA Bruin Online | UBO-ARIN | [email protected], +1-310-267-4357 | 124 Kerkchoff Hall, Los Angeles, CA, 90095-1557, United States |
| administrative, noc, technical | Network Operations Center | NO102-ORG-ARIN | [email protected], +1-310-206-5345 | UCLA Digital & Technology Solutions, Campus Services Building I, 2nd Floor, 741 Charles E. Young Drive South, Los Angeles, CA, 90095-1363, United States |
| technical | Network Operations Center | UNO4-ARIN | [email protected], +1-310-206-5345 | UCLA Digital & Technology Solutions, Campus Services Building I, 2nd Floor, 741 Charles E. Young Drive South, Los Angeles, CA, 90095-1363, United States |
Raw registry response
{
"endAutnum": 52,
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-04-21T14:04:53-04:00"
},
{
"eventAction": "registration",
"eventDate": "2004-01-28T13:15:06-05:00"
}
],
"handle": "UBO-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/UBO-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/52"
},
{
"href": "https://whois.arin.net/rest/poc/UBO-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/52"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "124 Kerkchoff Hall\nLos Angeles\nCA\n90095-1557\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"UCLA Bruin Online"
],
[
"org",
[],
"text",
"University of California, Los Angeles"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-310-267-4357"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-01-16T12:15:21-05:00"
},
{
"eventAction": "registration",
"eventDate": "1997-10-24T21:29:24-04:00"
}
],
"handle": "NO102-ORG-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NO102-ORG-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/52"
},
{
"href": "https://whois.arin.net/rest/poc/NO102-ORG-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/52"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"administrative",
"noc",
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "UCLA Digital & Technology Solutions\nCampus Services Building I, 2nd Floor\n741 Charles E. Young Drive South\nLos Angeles\nCA\n90095-1363\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Network Operations Center"
],
[
"org",
[],
"text",
"University of California, Los Angeles"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-310-206-5345"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2023-09-25T09:56:48-04:00"
},
{
"eventAction": "registration",
"eventDate": "2009-12-22T10:01:08-05:00"
}
],
"handle": "UCLA-Z",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/UCLA-Z",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/52"
},
{
"href": "https://whois.arin.net/rest/org/UCLA-Z",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/52"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"University of California, Los Angeles"
],
[
"adr",
{
"label": "UCLA Communications Technology Services\nCampus Services Building I, 2nd Floor\n741 Charles E. Young Drive South\nLos Angeles\nCA\n90095-1363\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-01-16T12:13:24-05:00"
},
{
"eventAction": "registration",
"eventDate": "1998-07-08T16:23:10-04:00"
}
],
"handle": "UNO4-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/UNO4-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/52"
},
{
"href": "https://whois.arin.net/rest/poc/UNO4-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/52"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "UCLA Digital & Technology Solutions\nCampus Services Building I, 2nd Floor\n 741 Charles E. Young Drive South\nLos Angeles\nCA\n90095-1363\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Network Operations Center"
],
[
"org",
[],
"text",
"University of California, Los Angeles"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-310-206-5345"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2023-11-20T17:19:45-05:00"
},
{
"eventAction": "registration",
"eventDate": "1985-10-24T00:00:00-04:00"
}
],
"handle": "AS52",
"links": [
{
"href": "https://rdap.arin.net/registry/autnum/52",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/52"
},
{
"href": "https://whois.arin.net/rest/asn/AS52",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/52"
}
],
"name": "UCLA",
"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/52"
}
],
"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/52"
}
],
"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": 52,
"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.