Organization
University of Southern California
USC-AS
Registered
Aug 16, 1985
41 years ago
IPv4 Prefixes
17
67,072 addresses
IPv6 Prefixes
0
BGP Neighbours
3
3 upstream/peer · 0 downstream
Registration
AS Number AS47 AS Name USC-AS Organization University of Southern California Organization ID USC-6 Address 3434 South Grand Avenue, Information Technology Services, Los Angeles, CA, 90089-2812, United States Country United States (US) Registry ARIN Allocated Aug 16, 1985 Record Created Aug 16, 1985 Last Updated Dec 16, 2003 Status
active
WHOIS Server whois.arin.net AS Description USC-AS - University of Southern California, US Abuse Email [email protected] Abuse Phone +1-213-740-5555 IPv4 Prefixes
17 prefixes · 67,072 addresses · 5 top-level Routing data as of 2026-10-10 00:00 UTC
| Prefix | Range | Addresses |
|---|---|---|
| 68.181.0.0/16 | 68.181.0.0 – 68.181.255.255 | 65,536 |
| 68.181.20.0/24 | 68.181.20.0 – 68.181.20.255 | 256 |
| 68.181.21.0/24 | 68.181.21.0 – 68.181.21.255 | 256 |
| 68.181.22.0/24 | 68.181.22.0 – 68.181.22.255 | 256 |
| 68.181.23.0/24 | 68.181.23.0 – 68.181.23.255 | 256 |
| 68.181.46.0/23 | 68.181.46.0 – 68.181.47.255 | 512 |
| 68.181.61.0/24 | 68.181.61.0 – 68.181.61.255 | 256 |
| 68.181.63.0/24 | 68.181.63.0 – 68.181.63.255 | 256 |
| 68.181.74.0/24 | 68.181.74.0 – 68.181.74.255 | 256 |
| 68.181.78.0/23 | 68.181.78.0 – 68.181.79.255 | 512 |
| 68.181.82.0/24 | 68.181.82.0 – 68.181.82.255 | 256 |
| 68.181.124.0/22 | 68.181.124.0 – 68.181.127.255 | 1,024 |
| 68.181.132.0/23 | 68.181.132.0 – 68.181.133.255 | 512 |
| 206.117.90.0/24 | 206.117.90.0 – 206.117.90.255 | 256 |
| 207.151.52.0/23 | 207.151.52.0 – 207.151.53.255 | 512 |
| 207.151.54.0/23 | 207.151.54.0 – 207.151.55.255 | 512 |
| 207.151.92.0/24 | 207.151.92.0 – 207.151.92.255 | 256 |
IPv6 Prefixes
This AS does not currently announce any IPv6 prefixes.
BGP Neighbours
3 unique neighbours · 3 upstream/peer · 0 downstream. A neighbour can be seen on more than one side. Rows are ordered by AS paths: the number of BGP paths seen by RIPE RIS that contain the adjacency. Sightings count each IPv4/IPv6 route with the adjacency once per RIS peer that sees it (routes × peers), so they show how widely it is seen, not how many distinct routes it carries. Networks seen to the left of this AS in BGP paths, toward the route collectors — typically its transit providers (upstreams) and peers. Upstream & peer side (3)
Raw RDAP 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"
],
[
"fn",
{},
"text",
"REDACTED"
],
[
"kind",
{},
"text",
"individual"
]
]
]
},
{
"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"
],
[
"fn",
{},
"text",
"REDACTED"
],
[
"kind",
{},
"text",
"individual"
]
]
]
},
{
"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"
],
[
"fn",
{},
"text",
"REDACTED"
],
[
"kind",
{},
"text",
"individual"
]
]
]
},
{
"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"
]
} Contact details of private individuals are redacted.