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Look up an Autonomous System — holder, registry, contacts, announced IPv4/IPv6 prefixes, upstreams and downstreams.
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AS47
USC-AS - University of Southern California Announcing routesAS nameUSC-AS
OrganisationUniversity of Southern California
Registry (RIR)ARIN
HandleAS47
RangeAS47
Registered16 Aug 1985
Last changed16 Dec 2003
Abuse contact[email protected]
17IPv4 prefixes
0IPv6 prefixes
3Upstreams
0Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS226 | LOS-NETTOS-AS - Los Nettos | 340 |
| AS567 | ASN-LNET-AS - Los Nettos | 121 |
| AS2153 | CENIC-2153 - CENIC | 6 |
Downstreams
None seen.
IPv4 prefixes (17)
RPKI-validate all prefixes of AS47
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| registrant | University of Southern California | USC-6 | 3434 South Grand Avenue, Information Technology Services, Los Angeles, CA, 90089-2812, United States | |
| abuse | USC Abuse | USCAB-ARIN | [email protected], +1-213-740-5555, +1-213-740-4110 | 3434 South Grand Avenue, Information Technology Services, Los Angeles, CA, 90089-2812, United States |
| noc | USC Network Operations Center | UNOC6-ARIN | [email protected], +1-866-552-3850, +1-213-821-5220 | 3434 South Grand Avenue, Information Technology Services, Los Angeles, CA, 90089-2812, United States |
| administrative | Nick Scheib | SCHEI62-ARIN | [email protected], +1-213-821-6955 | University Park Campus, 3434 South Grand Ave, Los Angeles, CA, 90089, United States |
| technical | Daniel Higginson | HIGGI319-ARIN | [email protected], +1-310-709-5399 | 3434 S. Grand Ave., Los Angeles, CA, 90089, United States |
| technical | Dhaval Mandalia | MANDA16-ARIN | [email protected], +1-562-209-1689 | 3434 S. Grand Ave., Los Angleles, CA, 90089, United States |
| technical | USCnet Network Administration | UNA2-ARIN | [email protected], +1-213-740-5555, +1-213-740-4110 | 3434 South Grand Avenue, Information Technology Services, Los Angeles, CA, 90089-2812, United States |
| technical | USCnet Network Administration | UNA2-ARIN | [email protected], +1-213-740-5555, +1-213-740-4110 | 3434 South Grand Avenue, Information Technology Services, Los Angeles, CA, 90089-2812, United States |
Raw registry response
{
"endAutnum": 47,
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2020-09-25T17:00:56-04:00"
},
{
"eventAction": "registration",
"eventDate": "2009-02-19T15:48:14-05:00"
}
],
"handle": "USCAB-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/USCAB-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/47"
},
{
"href": "https://whois.arin.net/rest/poc/USCAB-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/47"
}
],
"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 2021-09-25"
],
"title": "Unvalidated POC"
}
],
"roles": [
"abuse"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "3434 South Grand Avenue\nInformation Technology Services\nLos Angeles\nCA\n90089-2812\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"USC Abuse"
],
[
"org",
[],
"text",
"University of Southern California"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-213-740-5555"
],
[
"tel",
{
"type": [
"work",
"fax"
]
},
"text",
"+1-213-740-4110"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-06-06T15:18:13-04:00"
},
{
"eventAction": "registration",
"eventDate": "2009-02-19T15:54:07-05:00"
}
],
"handle": "UNOC6-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/UNOC6-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/47"
},
{
"href": "https://whois.arin.net/rest/poc/UNOC6-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/47"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"noc"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "3434 South Grand Avenue\nInformation Technology Services\nLos Angeles\nCA\n90089-2812\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"USC Network Operations Center"
],
[
"org",
[],
"text",
"University of Southern California"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-866-552-3850"
],
[
"tel",
{
"type": [
"work",
"fax"
]
},
"text",
"+1-213-821-5220"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-07-22T11:07:18-04:00"
},
{
"eventAction": "registration",
"eventDate": "2020-01-21T12:42:33-05:00"
}
],
"handle": "SCHEI62-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/SCHEI62-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/47"
},
{
"href": "https://whois.arin.net/rest/poc/SCHEI62-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/47"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"administrative"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "University Park Campus\n3434 South Grand Ave\nLos Angeles\nCA\n90089\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Nick Scheib"
],
[
"n",
[],
"text",
[
"Scheib",
"Nick",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-213-821-6955"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-09-28T11:13:53-04:00"
},
{
"eventAction": "registration",
"eventDate": "2025-09-26T11:49:15-04:00"
}
],
"handle": "HIGGI319-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/HIGGI319-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/47"
},
{
"href": "https://whois.arin.net/rest/poc/HIGGI319-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/47"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "3434 S. Grand Ave.\nLos Angeles\nCA\n90089\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Daniel Higginson"
],
[
"n",
[],
"text",
[
"Higginson",
"Daniel",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-310-709-5399"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-10-27T11:50:31-04:00"
},
{
"eventAction": "registration",
"eventDate": "2025-10-27T11:50:31-04:00"
}
],
"handle": "MANDA16-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/MANDA16-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/47"
},
{
"href": "https://whois.arin.net/rest/poc/MANDA16-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/47"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "3434 S. Grand Ave.\nLos Angleles\nCA\n90089\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Dhaval Mandalia"
],
[
"n",
[],
"text",
[
"Mandalia",
"Dhaval",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-562-209-1689"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-09-03T05:17:48-04:00"
},
{
"eventAction": "registration",
"eventDate": "1996-03-15T11:16:45-05:00"
}
],
"handle": "UNA2-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/UNA2-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/47"
},
{
"href": "https://whois.arin.net/rest/poc/UNA2-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/47"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "3434 South Grand Avenue\nInformation Technology Services\nLos Angeles\nCA\n90089-2812\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"USCnet Network Administration"
],
[
"org",
[],
"text",
"University of Southern California"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-213-740-5555"
],
[
"tel",
{
"type": [
"work",
"fax"
]
},
"text",
"+1-213-740-4110"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-06-23T12:57:55-04:00"
}
],
"handle": "USC-6",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/USC-6",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/47"
},
{
"href": "https://whois.arin.net/rest/org/USC-6",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/47"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"University of Southern California"
],
[
"adr",
{
"label": "3434 South Grand Avenue\nInformation Technology Services\nLos Angeles\nCA\n90089-2812\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-09-03T05:17:48-04:00"
},
{
"eventAction": "registration",
"eventDate": "1996-03-15T11:16:45-05:00"
}
],
"handle": "UNA2-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/UNA2-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/47"
},
{
"href": "https://whois.arin.net/rest/poc/UNA2-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/47"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "3434 South Grand Avenue\nInformation Technology Services\nLos Angeles\nCA\n90089-2812\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"USCnet Network Administration"
],
[
"org",
[],
"text",
"University of Southern California"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-213-740-5555"
],
[
"tel",
{
"type": [
"work",
"fax"
]
},
"text",
"+1-213-740-4110"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2003-12-16T13:00:05-05:00"
},
{
"eventAction": "registration",
"eventDate": "1985-08-16T00:00:00-04:00"
}
],
"handle": "AS47",
"links": [
{
"href": "https://rdap.arin.net/registry/autnum/47",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/47"
},
{
"href": "https://whois.arin.net/rest/asn/AS47",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/47"
}
],
"name": "USC-AS",
"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/47"
}
],
"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/47"
}
],
"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": 47,
"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.