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
AS6106
UCR-EDU - University of California, Riverside Announcing routesAS nameUCR-EDU
OrganisationUniversity of California, Riverside
Registry (RIR)ARIN
HandleAS6106
RangeAS6106
Registered10 Nov 1995
Last changed07 Oct 2022
Abuse contact[email protected]
3IPv4 prefixes
1IPv6 prefixes
2Upstreams
1Downstreams
Downstreams
| AS | Network name | Visibility |
|---|---|---|
| AS11293 | UCOP-ASN - University of California - Office of the President | 483 |
IPv4 prefixes (3)
IPv6 prefixes (1)
RPKI-validate all prefixes of AS6106
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| registrant | University of California, Riverside | UCR-6 | Computing & Communications Bldg, Riverside, CA, 92521, United States | |
| dns, technical | Systems Engineering | SYSTE802-ARIN | [email protected], +1-951-827-1012 | 900 University Ave., Riverside, CA, 92508, United States |
| abuse | Abuse | ABUSE1631-ARIN | [email protected], +1-951-827-4875 | University of California, Riverside , Computing and Communications, Riverside, CA, 92521, United States |
| administrative, technical | Michael Kennedy | KENNE340-ARIN | [email protected], +1-951-827-4875 | Computing and Communications Bldg., Riverside, CA, 92521, United States |
| technical | Jeremy Fisher | FISHE693-ARIN | [email protected], +1-951-827-4826 | 900 University Ave., Riverside, CA, 92521, United States |
| technical | Michael Kennedy | KENNE340-ARIN | [email protected], +1-951-827-4875 | Computing and Communications Bldg., Riverside, CA, 92521, United States |
Raw registry response
{
"endAutnum": 6106,
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2023-01-23T17:19:19-05:00"
},
{
"eventAction": "registration",
"eventDate": "2023-01-23T17:19:19-05:00"
}
],
"handle": "SYSTE802-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/SYSTE802-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/6106"
},
{
"href": "https://whois.arin.net/rest/poc/SYSTE802-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/6106"
}
],
"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 2024-01-23"
],
"title": "Unvalidated POC"
}
],
"roles": [
"dns",
"technical"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "900 University Ave.\nRiverside\nCA\n92508\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Systems Engineering"
],
[
"org",
[],
"text",
"University of California, Riverside"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-951-827-1012"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2023-01-18T18:23:26-05:00"
},
{
"eventAction": "registration",
"eventDate": "2007-04-09T11:48:18-04:00"
}
],
"handle": "ABUSE1631-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ABUSE1631-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/6106"
},
{
"href": "https://whois.arin.net/rest/poc/ABUSE1631-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/6106"
}
],
"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 2024-01-18"
],
"title": "Unvalidated POC"
}
],
"roles": [
"abuse"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "University of California, Riverside\r\nComputing and Communications\nRiverside\nCA\n92521\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Abuse"
],
[
"org",
[],
"text",
"University of California"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-951-827-4875"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-06-26T01:06:04-04:00"
},
{
"eventAction": "registration",
"eventDate": "2016-04-19T19:09:12-04:00"
}
],
"handle": "KENNE340-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/KENNE340-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/6106"
},
{
"href": "https://whois.arin.net/rest/poc/KENNE340-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/6106"
}
],
"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 2025-06-25"
],
"title": "Unvalidated POC"
}
],
"roles": [
"administrative",
"technical"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "Computing and Communications Bldg.\nRiverside\nCA\n92521\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Michael Kennedy"
],
[
"n",
[],
"text",
[
"Kennedy",
"Michael",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-951-827-4875"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2023-01-18T18:26:03-05:00"
},
{
"eventAction": "registration",
"eventDate": "2023-01-18T18:26:03-05:00"
}
],
"handle": "FISHE693-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/FISHE693-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/6106"
},
{
"href": "https://whois.arin.net/rest/poc/FISHE693-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/6106"
}
],
"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 2024-01-18"
],
"title": "Unvalidated POC"
}
],
"roles": [
"technical"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "900 University Ave.\nRiverside\nCA\n92521\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Jeremy Fisher"
],
[
"n",
[],
"text",
[
"Fisher",
"Jeremy",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-951-827-4826"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2023-01-23T18:37:48-05:00"
},
{
"eventAction": "registration",
"eventDate": "1995-11-10T00:00:00-05:00"
}
],
"handle": "UCR-6",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/UCR-6",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/6106"
},
{
"href": "https://whois.arin.net/rest/org/UCR-6",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/6106"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"http://www.ucr.edu/"
],
"title": "Registration Comments"
}
],
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"University of California, Riverside"
],
[
"adr",
{
"label": "Computing & Communications Bldg\nRiverside\nCA\n92521\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-06-26T01:06:04-04:00"
},
{
"eventAction": "registration",
"eventDate": "2016-04-19T19:09:12-04:00"
}
],
"handle": "KENNE340-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/KENNE340-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/6106"
},
{
"href": "https://whois.arin.net/rest/poc/KENNE340-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/6106"
}
],
"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 2025-06-25"
],
"title": "Unvalidated POC"
}
],
"roles": [
"technical"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "Computing and Communications Bldg.\nRiverside\nCA\n92521\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Michael Kennedy"
],
[
"n",
[],
"text",
[
"Kennedy",
"Michael",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-951-827-4875"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2022-10-07T11:52:17-04:00"
},
{
"eventAction": "registration",
"eventDate": "1995-11-10T00:00:00-05:00"
}
],
"handle": "AS6106",
"links": [
{
"href": "https://rdap.arin.net/registry/autnum/6106",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/6106"
},
{
"href": "https://whois.arin.net/rest/asn/AS6106",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/6106"
}
],
"name": "UCR-EDU",
"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/6106"
}
],
"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/6106"
}
],
"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": 6106,
"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.
