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
AS46985
HPWREN - The Regents of the University of California - University of California, San Diego. Announcing routesAS nameHPWREN
OrganisationThe Regents of the University of California - University of California, San Diego.
Registry (RIR)ARIN
HandleAS46985
RangeAS46985
Registered22 May 2009
Last changed20 Oct 2015
8IPv4 prefixes
0IPv6 prefixes
3Upstreams
0Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS195 | SDSC-AS - San Diego Supercomputer Center | 641 |
| AS2152 | CENIC-2152 - CENIC | 441 |
| AS2153 | CENIC-2153 - CENIC | 104 |
Downstreams
None seen.
IPv4 prefixes (8)
RPKI-validate all prefixes of AS46985
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| registrant | The Regents of the University of California - University of California, San Diego. | THERE-41 | Prism Project,University of California, San Diego , 9500 Gilman Drive , MS-0505, La Jolla, CA, 92093-0505, United States | |
| noc | SDSC NOC | SDSCN-ARIN | [email protected], +1-858-534-5090 | 9500 Gilman Drive, MS-0505, La Jolla, CA, 92093-0505, United States |
| abuse, noc, technical | Network Operations Center | NOC1807-ARIN | [email protected], [email protected], [email protected], [email protected], +1-858-822-0249 | IT Services, Mail Code 0928, Attn: Malerie Samadi, 9500 Gilman Dr, La Jolla, CA, 92093-0928, United States |
| technical | brian dunne | BDU62-ARIN | [email protected], +1-858-334-9579 | 9500 Gilman Drive, La Jolla, CA, 92093, United States |
| technical, abuse, administrative, noc | Thomas Hutton | TH60-ARIN | [email protected], [email protected], [email protected], +1-858-534-5136, +1-619-787-0349, +1-858-534-5152 | PO Box 128, Poway, CA, 92074-0128, United States |
| noc, abuse | hpwren-admin | HPWRE-ARIN | [email protected], +1-858-534-5090, +1-858-822-5756 | 9500 Gilman Drive , MS-0505, La Jolla, CA, 92093-0505, United States |
| technical, noc | Thomas Hutton | TH60-ARIN | [email protected], [email protected], [email protected], +1-858-534-5136, +1-619-787-0349, +1-858-534-5152 | PO Box 128, Poway, CA, 92074-0128, United States |
Raw registry response
{
"endAutnum": 46985,
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-08-28T15:15:18-04:00"
},
{
"eventAction": "registration",
"eventDate": "2005-05-26T17:45:11-04:00"
}
],
"handle": "SDSCN-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/SDSCN-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/46985"
},
{
"href": "https://whois.arin.net/rest/poc/SDSCN-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/46985"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"contact for technical issues"
],
"title": "Registration Comments"
}
],
"roles": [
"noc"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "9500 Gilman Drive\nMS-0505\nLa Jolla\nCA\n92093-0505\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"SDSC NOC"
],
[
"org",
[],
"text",
"San Diego Supercomputer Center"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-858-534-5090"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-02-11T18:21:12-05:00"
},
{
"eventAction": "registration",
"eventDate": "2005-04-18T19:00:16-04:00"
}
],
"handle": "NOC1807-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NOC1807-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/46985"
},
{
"href": "https://whois.arin.net/rest/poc/NOC1807-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/46985"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse",
"noc",
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "IT Services\nMail Code 0928\nAttn: Malerie Samadi\n9500 Gilman Dr\nLa Jolla\nCA\n92093-0928\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Network Operations Center"
],
[
"org",
[],
"text",
"University of California, San Diego"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-858-822-0249"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-07-09T12:15:50-04:00"
},
{
"eventAction": "registration",
"eventDate": "2009-05-14T15:30:04-04:00"
}
],
"handle": "BDU62-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/BDU62-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/46985"
},
{
"href": "https://whois.arin.net/rest/poc/BDU62-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/46985"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "9500 Gilman Drive\nLa Jolla\nCA\n92093\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"brian dunne"
],
[
"n",
[],
"text",
[
"dunne",
"brian",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-858-334-9579"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-07-10T13:23:59-04:00"
}
],
"handle": "TH60-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/TH60-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/46985"
},
{
"href": "https://whois.arin.net/rest/poc/TH60-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/46985"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"contact for technical issues"
],
"title": "Registration Comments"
}
],
"roles": [
"technical",
"abuse",
"administrative",
"noc"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "PO Box 128\nPoway\nCA\n92074-0128\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Thomas Hutton"
],
[
"n",
[],
"text",
[
"Hutton",
"Thomas",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-858-534-5136"
],
[
"tel",
{
"type": [
"work",
"cell"
]
},
"text",
"+1-619-787-0349"
],
[
"tel",
{
"type": [
"work",
"fax"
]
},
"text",
"+1-858-534-5152"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-07-09T12:27:49-04:00"
},
{
"eventAction": "registration",
"eventDate": "2009-05-15T18:12:21-04:00"
}
],
"handle": "THERE-41",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/THERE-41",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/46985"
},
{
"href": "https://whois.arin.net/rest/org/THERE-41",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/46985"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"The Regents of the University of California - University of California, San Diego."
],
[
"adr",
{
"label": "Prism Project,University of California, San Diego\r\n9500 Gilman Drive\r\nMS-0505\nLa Jolla\nCA\n92093-0505\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-07-10T13:24:34-04:00"
},
{
"eventAction": "registration",
"eventDate": "2015-10-19T16:22:07-04:00"
}
],
"handle": "HPWRE-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/HPWRE-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/46985"
},
{
"href": "https://whois.arin.net/rest/poc/HPWRE-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/46985"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"noc",
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "9500 Gilman Drive\r\nMS-0505\nLa Jolla\nCA\n92093-0505\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"hpwren-admin"
],
[
"org",
[],
"text",
"HPWREN - University of California San Diego"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-858-534-5090"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-858-822-5756"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-07-10T13:23:59-04:00"
}
],
"handle": "TH60-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/TH60-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/46985"
},
{
"href": "https://whois.arin.net/rest/poc/TH60-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/46985"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"contact for technical issues"
],
"title": "Registration Comments"
}
],
"roles": [
"technical",
"noc"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "PO Box 128\nPoway\nCA\n92074-0128\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Thomas Hutton"
],
[
"n",
[],
"text",
[
"Hutton",
"Thomas",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-858-534-5136"
],
[
"tel",
{
"type": [
"work",
"cell"
]
},
"text",
"+1-619-787-0349"
],
[
"tel",
{
"type": [
"work",
"fax"
]
},
"text",
"+1-858-534-5152"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2015-10-19T16:27:03-04:00"
},
{
"eventAction": "registration",
"eventDate": "2009-05-22T13:29:58-04:00"
}
],
"handle": "AS46985",
"links": [
{
"href": "https://rdap.arin.net/registry/autnum/46985",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/46985"
},
{
"href": "https://whois.arin.net/rest/asn/AS46985",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/46985"
}
],
"name": "HPWREN",
"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/46985"
}
],
"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/46985"
}
],
"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"
],
"remarks": [
{
"description": [
"High Performance Wireless Research Network\r",
"http://hpwren.ucsd.edu/"
],
"title": "Registration Comments"
}
],
"startAutnum": 46985,
"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.