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
AS55236
CBC - CBC Announcing routesAS nameCBC
OrganisationCBC
Registry (RIR)ARIN
HandleAS55236
RangeAS55236
Registered27 Apr 2013
Last changed27 Apr 2013
Abuse contact[email protected]
4IPv4 prefixes
0IPv6 prefixes
1Upstreams
2Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS26721 | INYO - Inyo Networks | 1102 |
IPv4 prefixes (4)
RPKI-validate all prefixes of AS55236
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| registrant | CBC | CBC-201 | 1101 Nimitz Ave, Vallejo, CA, 94592, United States | |
| technical | Jacob Allen Shimane | JAS221-ARIN | [email protected], +1-909-450-8081 | 10621 Church St. Ste.100, Rancho Cucamonga, CA, 91730, United States |
| technical | Sean Michael Cox | SMC365-ARIN | [email protected], +1-909-450-8003, +1-760-881-0746 | 10621 Church Street, Suite 100, Rancho Cucamonga, CA, 91730, United States |
| noc | NOC | NOC32905-ARIN | [email protected], +1-888-732-9077 | 10621 Church St, Suite 100, Rancho Cucamonga, CA, 91730, United States |
| technical | Gagik Petrosyan | PETRO179-ARIN | [email protected], +1-909-457-8403 | 10621 Church St. STE100, Rancho Cucamonga, CA, 91730, United States |
| administrative | Nicolas Keeler | KEELE5-ARIN | [email protected], +1-707-551-8200 | 1101 Nimitz Ave, Vallejo, CA, 94592, United States |
| abuse | Abuse Contact | ABUSE7340-ARIN | [email protected], +1-844-994-4448 | 10621 Church Street, STE 100, Rancho Cucamonga, CA, 91730, United States |
Raw registry response
{
"endAutnum": 55236,
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-06-16T11:09:47-04:00"
},
{
"eventAction": "registration",
"eventDate": "2024-06-13T19:56:47-04:00"
}
],
"handle": "JAS221-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/JAS221-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/55236"
},
{
"href": "https://whois.arin.net/rest/poc/JAS221-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/55236"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "10621 Church St. Ste.100\nRancho Cucamonga\nCA\n91730\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Jacob Allen Shimane"
],
[
"n",
[],
"text",
[
"Shimane",
"Jacob",
"Allen",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-909-450-8081"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-08-31T11:07:13-04:00"
},
{
"eventAction": "registration",
"eventDate": "2022-07-21T19:49:18-04:00"
}
],
"handle": "SMC365-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/SMC365-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/55236"
},
{
"href": "https://whois.arin.net/rest/poc/SMC365-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/55236"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "10621 Church Street\nSuite 100\nRancho Cucamonga\nCA\n91730\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Sean Michael Cox"
],
[
"n",
[],
"text",
[
"Cox",
"Sean",
"Michael",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-909-450-8003"
],
[
"tel",
{
"type": [
"work",
"cell"
]
},
"text",
"+1-760-881-0746"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2023-09-21T14:57:18-04:00"
},
{
"eventAction": "registration",
"eventDate": "2018-12-10T17:25:14-05:00"
}
],
"handle": "NOC32905-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NOC32905-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/55236"
},
{
"href": "https://whois.arin.net/rest/poc/NOC32905-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/55236"
}
],
"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 2024-09-20"
],
"title": "Unvalidated POC"
}
],
"roles": [
"noc"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "10621 Church St\nSuite 100\nRancho Cucamonga\nCA\n91730\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"NOC"
],
[
"org",
[],
"text",
"Inyo Networks"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-888-732-9077"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-12-30T14:46:25-05:00"
},
{
"eventAction": "registration",
"eventDate": "2023-02-28T18:32:46-05:00"
}
],
"handle": "PETRO179-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/PETRO179-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/55236"
},
{
"href": "https://whois.arin.net/rest/poc/PETRO179-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/55236"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "10621 Church St. STE100\nRancho Cucamonga\nCA\n91730\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Gagik Petrosyan"
],
[
"n",
[],
"text",
[
"Petrosyan",
"Gagik",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-909-457-8403"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2018-12-10T17:13:41-05:00"
},
{
"eventAction": "registration",
"eventDate": "2013-04-17T12:52:21-04:00"
}
],
"handle": "KEELE5-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/KEELE5-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/55236"
},
{
"href": "https://whois.arin.net/rest/poc/KEELE5-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/55236"
}
],
"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 2019-12-10"
],
"title": "Unvalidated POC"
}
],
"roles": [
"administrative"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "1101 Nimitz Ave\nVallejo\nCA\n94592\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Nicolas Keeler"
],
[
"n",
[],
"text",
[
"Keeler",
"Nicolas",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-707-551-8200"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-10-02T12:46:42-04:00"
},
{
"eventAction": "registration",
"eventDate": "2018-12-10T17:19:41-05:00"
}
],
"handle": "ABUSE7340-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ABUSE7340-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/55236"
},
{
"href": "https://whois.arin.net/rest/poc/ABUSE7340-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/55236"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "10621 Church Street\nSTE 100\nRancho Cucamonga\nCA\n91730\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Abuse Contact"
],
[
"org",
[],
"text",
"Inyo Networks"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-844-994-4448"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-12-04T21:53:25-05:00"
},
{
"eventAction": "registration",
"eventDate": "2013-04-18T14:07:55-04:00"
}
],
"handle": "CBC-201",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/CBC-201",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/55236"
},
{
"href": "https://whois.arin.net/rest/org/CBC-201",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/55236"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"CBC"
],
[
"adr",
{
"label": "1101 Nimitz Ave\nVallejo\nCA\n94592\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2013-04-26T15:38:25-04:00"
},
{
"eventAction": "registration",
"eventDate": "2013-04-26T15:38:25-04:00"
}
],
"handle": "AS55236",
"links": [
{
"href": "https://rdap.arin.net/registry/autnum/55236",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/55236"
},
{
"href": "https://whois.arin.net/rest/asn/AS55236",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/55236"
}
],
"name": "CBC",
"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/55236"
}
],
"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/55236"
}
],
"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": 55236,
"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.
