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AS2153
CENIC-2153 - CENIC Not announcingAS nameCENIC-2153
OrganisationCENIC
Registry (RIR)ARIN
HandleAS2153
RangeAS2153
Registered09 Jul 2024
Last changed09 Jul 2024
Abuse contact[email protected]
0IPv4 prefixes
0IPv6 prefixes
6Upstreams
31Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS11537 | INTERNET2-RESEARCH-EDU - Internet2 | 721 |
| AS7575 | AARNET-AS-AP - Australian Academic and Research Network (AARNet) | 364 |
| AS2152 | CENIC-2152 - CENIC | 202 |
| AS293 | ESNET - ESnet | 168 |
| AS195 | SDSC-AS - San Diego Supercomputer Center | 96 |
| AS2907 | SINET-AS - Research Organization of Information and Systems, National Institute of Informatics | 73 |
Downstreams
| AS | Network name | Visibility |
|---|---|---|
| AS2152 | CENIC-2152 - CENIC | 948 |
| AS6192 | UCDAVIS-CORE - University of California, Davis | 219 |
| AS46985 | HPWREN - The Regents of the University of California - University of California, San Diego. | 104 |
| AS195 | SDSC-AS - San Diego Supercomputer Center | 66 |
| AS567 | ASN-LNET-AS - Los Nettos | 36 |
| AS40498 | ABQG - New Mexico Lambda Rail, Inc. | 25 |
| AS52 | UCLA - University of California, Los Angeles | 16 |
| AS24 | AS24 - National Aeronautics and Space Administration | 13 |
| AS22323 | UNIVERSITY-OF-CALIFORNIA-MERCED - University of California, Merced | 11 |
| AS26397 | OPTIPUTER - The Regents of the University of California - University of California, San Diego. | 11 |
| AS5653 | UCSF - University of California San Francisco | 11 |
| AS6106 | UCR-EDU - University of California, Riverside | 11 |
| AS257 | DNIC-AS-00257 - Navy Network Information Center (NNIC) | 10 |
| AS396310 | SDSU-SCIENCE-NETWORK - San Diego State University | 9 |
| AS131 | UCSB-NET-AS - University of California, Santa Barbara | 8 |
RPKI-validate all prefixes of AS2153
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| registrant | CENIC | CENIC | 5757 Plaza Drive, Suite 205, Cypress, CA, 90630-5029, United States | |
| abuse | CENIC Abuse | ABUSE711-ARIN | [email protected], +1-714-220-3494 | 16700 Valley View Ave., Suite 400, La Mirada, CA, 90638, United States |
| technical | Admin Domain | OPERA63-ARIN | [email protected], +1-714-220-3494 | 16700 Valley View Ave., Suite 400, La Mirada, CA, 90638, United States |
| administrative | Admin Domain | DOMAI64-ARIN | [email protected], +1-714-220-3494 | 16700 Valley View Ave., Suite 400, La Mirada, CA, 90638, United States |
Raw registry response
{
"endAutnum": 2153,
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-04-15T18:36:30-04:00"
},
{
"eventAction": "registration",
"eventDate": "2004-09-17T16:08:41-04:00"
}
],
"handle": "ABUSE711-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ABUSE711-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/2153"
},
{
"href": "https://whois.arin.net/rest/poc/ABUSE711-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/2153"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "16700 Valley View Ave.\nSuite 400\nLa Mirada\nCA\n90638\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"CENIC Abuse"
],
[
"org",
[],
"text",
"CENIC"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-714-220-3494"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-03-11T12:22:28-04:00"
},
{
"eventAction": "registration",
"eventDate": "2004-03-25T18:06:10-05:00"
}
],
"handle": "OPERA63-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/OPERA63-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/2153"
},
{
"href": "https://whois.arin.net/rest/poc/OPERA63-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/2153"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"CENIC -- Corporation for Education Networking Initiatives in California"
],
"title": "Registration Comments"
}
],
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "16700 Valley View Ave.\nSuite 400\nLa Mirada\nCA\n90638\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Admin Domain"
],
[
"org",
[],
"text",
"CENIC"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-714-220-3494"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-10-27T12:52:42-04:00"
},
{
"eventAction": "registration",
"eventDate": "2004-03-25T18:06:10-05:00"
}
],
"handle": "DOMAI64-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/DOMAI64-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/2153"
},
{
"href": "https://whois.arin.net/rest/poc/DOMAI64-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/2153"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"administrative"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "16700 Valley View Ave.\nSuite 400\nLa Mirada\nCA\n90638\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Admin Domain"
],
[
"org",
[],
"text",
"CENIC"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-714-220-3494"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-11-25T11:09:46-05:00"
},
{
"eventAction": "registration",
"eventDate": "1998-08-18T00:00:00-04:00"
}
],
"handle": "CENIC",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/CENIC",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/2153"
},
{
"href": "https://whois.arin.net/rest/org/CENIC",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/2153"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"CENIC"
],
[
"adr",
{
"label": "5757 Plaza Drive, Suite 205\nCypress\nCA\n90630-5029\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-07-08T17:00:24-04:00"
},
{
"eventAction": "registration",
"eventDate": "2024-07-08T17:00:24-04:00"
}
],
"handle": "AS2153",
"links": [
{
"href": "https://rdap.arin.net/registry/autnum/2153",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/2153"
},
{
"href": "https://whois.arin.net/rest/asn/AS2153",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/2153"
}
],
"name": "CENIC-2153",
"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/2153"
}
],
"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/2153"
}
],
"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": 2153,
"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.