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
AS6192
UCDAVIS-CORE - University of California, Davis Announcing routesAS nameUCDAVIS-CORE
OrganisationUniversity of California, Davis
Registry (RIR)ARIN
HandleAS6192
RangeAS6192
Registered—
Last changed02 Sep 2026
Abuse contact[email protected]
5IPv4 prefixes
3IPv6 prefixes
3Upstreams
1Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS7018 | ATT-INTERNET4 - AT&T Enterprises, LLC | 372 |
| AS2152 | CENIC-2152 - CENIC | 294 |
| AS2153 | CENIC-2153 - CENIC | 219 |
Downstreams
| AS | Network name | Visibility |
|---|---|---|
| AS400452 | UC-DAVIS-HEALTH - University of California Davis Medical Center | 229 |
IPv4 prefixes (5)
IPv6 prefixes (3)
RPKI-validate all prefixes of AS6192
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| registrant | University of California, Davis | UCD-1-Z | One Shields Avenue, Davis, CA, 95616, United States | |
| technical | Andro Zhghenti | ZHGHE-ARIN | [email protected], +1-530-754-5854 | One Shields Avenue, Davis, CA, 95616, United States |
| administrative, technical | Evan Yoo | YOOEV-ARIN | [email protected], +1-530-754-4420, +1-530-761-2810 | One Shields Ave, Davis, CA, 95616, United States |
| noc | U C Davis | UCD-ARIN | [email protected], +1-530-752-7656 | One Shields Ave, Davis, CA, 95616, United States |
| abuse | U C Davis Abuse | UCDA-ARIN | [email protected], +1-530-754-4357 | One Shields Ave, Davis, CA, 95616, United States |
| technical | Kevin Kawaguchi | KAWAG1-ARIN | [email protected], +1-530-752-5025, +1-530-601-3130 | 1 Shields Ave, Davis, CA, 95616, United States |
| technical | Andro Zhghenti | ZHGHE-ARIN | [email protected], +1-530-754-5854 | One Shields Avenue, Davis, CA, 95616, United States |
| technical | U C Davis | UCD-ARIN | [email protected], +1-530-752-7656 | One Shields Ave, Davis, CA, 95616, United States |
Raw registry response
{
"endAutnum": 6192,
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-08-28T16:17:58-04:00"
},
{
"eventAction": "registration",
"eventDate": "2026-08-28T16:17:58-04:00"
}
],
"handle": "ZHGHE-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ZHGHE-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/6192"
},
{
"href": "https://whois.arin.net/rest/poc/ZHGHE-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/6192"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "One Shields Avenue\nDavis\nCA\n95616\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Andro Zhghenti"
],
[
"n",
[],
"text",
[
"Zhghenti",
"Andro",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-530-754-5854"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-10-05T14:20:49-04:00"
},
{
"eventAction": "registration",
"eventDate": "2025-09-26T14:52:00-04:00"
}
],
"handle": "YOOEV-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/YOOEV-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/6192"
},
{
"href": "https://whois.arin.net/rest/poc/YOOEV-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/6192"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"administrative",
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "One Shields Ave\nDavis\nCA\n95616\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Evan Yoo"
],
[
"n",
[],
"text",
[
"Yoo",
"Evan",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-530-754-4420"
],
[
"tel",
{
"type": [
"work",
"cell"
]
},
"text",
"+1-530-761-2810"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-03-02T17:27:39-05:00"
},
{
"eventAction": "registration",
"eventDate": "2006-10-19T15:30:12-04:00"
}
],
"handle": "UCD-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/UCD-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/6192"
},
{
"href": "https://whois.arin.net/rest/poc/UCD-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/6192"
}
],
"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 2026-03-02"
],
"title": "Unvalidated POC"
}
],
"roles": [
"noc"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "One Shields Ave\nDavis\nCA\n95616\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"U C Davis"
],
[
"org",
[],
"text",
"University of California, Davis"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-530-752-7656"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-03-02T17:27:58-05:00"
},
{
"eventAction": "registration",
"eventDate": "2006-10-18T15:18:07-04:00"
}
],
"handle": "UCDA-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/UCDA-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/6192"
},
{
"href": "https://whois.arin.net/rest/poc/UCDA-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/6192"
}
],
"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 2026-03-02"
],
"title": "Unvalidated POC"
}
],
"roles": [
"abuse"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "One Shields Ave\nDavis\nCA\n95616\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"U C Davis Abuse"
],
[
"org",
[],
"text",
"University of California, Davis"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-530-754-4357"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-09-18T12:25:13-04:00"
},
{
"eventAction": "registration",
"eventDate": "2025-09-18T12:58:29-04:00"
}
],
"handle": "KAWAG1-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/KAWAG1-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/6192"
},
{
"href": "https://whois.arin.net/rest/poc/KAWAG1-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/6192"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "1 Shields Ave\nDavis\nCA\n95616\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Kevin Kawaguchi"
],
[
"n",
[],
"text",
[
"Kawaguchi",
"Kevin",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-530-752-5025"
],
[
"tel",
{
"type": [
"work",
"cell"
]
},
"text",
"+1-530-601-3130"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-09-01T16:16:24-04:00"
},
{
"eventAction": "registration",
"eventDate": "2010-01-04T12:46:27-05:00"
}
],
"handle": "UCD-1-Z",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/UCD-1-Z",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/6192"
},
{
"href": "https://whois.arin.net/rest/org/UCD-1-Z",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/6192"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"University of California, Davis"
],
[
"adr",
{
"label": "One Shields Avenue\nDavis\nCA\n95616\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-08-28T16:17:58-04:00"
},
{
"eventAction": "registration",
"eventDate": "2026-08-28T16:17:58-04:00"
}
],
"handle": "ZHGHE-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ZHGHE-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/6192"
},
{
"href": "https://whois.arin.net/rest/poc/ZHGHE-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/6192"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "One Shields Avenue\nDavis\nCA\n95616\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Andro Zhghenti"
],
[
"n",
[],
"text",
[
"Zhghenti",
"Andro",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-530-754-5854"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-03-02T17:27:39-05:00"
},
{
"eventAction": "registration",
"eventDate": "2006-10-19T15:30:12-04:00"
}
],
"handle": "UCD-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/UCD-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/6192"
},
{
"href": "https://whois.arin.net/rest/poc/UCD-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/6192"
}
],
"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 2026-03-02"
],
"title": "Unvalidated POC"
}
],
"roles": [
"technical"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "One Shields Ave\nDavis\nCA\n95616\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"U C Davis"
],
[
"org",
[],
"text",
"University of California, Davis"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-530-752-7656"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-09-01T16:15:33-04:00"
}
],
"handle": "AS6192",
"links": [
{
"href": "https://rdap.arin.net/registry/autnum/6192",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/6192"
},
{
"href": "https://whois.arin.net/rest/asn/AS6192",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/6192"
}
],
"name": "UCDAVIS-CORE",
"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/6192"
}
],
"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/6192"
}
],
"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": 6192,
"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.