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AS26661
JCPS-ASN - Jeffco Public Schools Announcing routesAS nameJCPS-ASN
OrganisationJeffco Public Schools
Registry (RIR)ARIN
HandleAS26661
RangeAS26661
Registered15 Feb 2011
Last changed24 Feb 2012
3IPv4 prefixes
0IPv6 prefixes
1Upstreams
0Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS14041 | AS-FRGP - University Corporation for Atmospheric Research | 229 |
Downstreams
None seen.
IPv4 prefixes (3)
RPKI-validate all prefixes of AS26661
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| registrant | Jeffco Public Schools | JCPS-1 | 1829 Denver West Drive , Building 27, Golden, CO, 80401, United States | |
| abuse | JCPS Abuse | JCPSA1-ARIN | [email protected], +1-303-982-6500 | 1829 Denver west Drive , Building #27, Golden, CO, 80401, United States |
| administrative | JCPS Admin | JCPSA-ARIN | [email protected], +1-303-982-6500 | 1829 Denver West Drive , Building #27, Golden, CO, 80401, United States |
| technical | JCPS Tech | JCPST-ARIN | [email protected], +1-303-982-6500 | 1829 Denver West Drive , Building #27, Golden, CO, 80401, United States |
| technical, abuse | JCPS Tech | JCPST-ARIN | [email protected], +1-303-982-6500 | 1829 Denver West Drive , Building #27, Golden, CO, 80401, United States |
Raw registry response
{
"endAutnum": 26661,
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-11-17T11:16:34-05:00"
},
{
"eventAction": "registration",
"eventDate": "2010-05-19T19:06:06-04:00"
}
],
"handle": "JCPSA1-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/JCPSA1-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/26661"
},
{
"href": "https://whois.arin.net/rest/poc/JCPSA1-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/26661"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "1829 Denver west Drive\r\nBuilding #27\nGolden\nCO\n80401\nUnited States"
},
"text",
[
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""
]
],
[
"fn",
[],
"text",
"JCPS Abuse"
],
[
"org",
[],
"text",
"Jefferson County Public School District"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-303-982-6500"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-12-03T13:32:11-05:00"
},
{
"eventAction": "registration",
"eventDate": "2010-05-19T19:06:05-04:00"
}
],
"handle": "JCPSA-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/JCPSA-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/26661"
},
{
"href": "https://whois.arin.net/rest/poc/JCPSA-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/26661"
}
],
"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 2025-12-03"
],
"title": "Unvalidated POC"
}
],
"roles": [
"administrative"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "1829 Denver West Drive\r\nBuilding #27\nGolden\nCO\n80401\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"JCPS Admin"
],
[
"org",
[],
"text",
"Jefferson County Public School District"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-303-982-6500"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-11-13T11:32:24-05:00"
},
{
"eventAction": "registration",
"eventDate": "2010-05-19T19:06:05-04:00"
}
],
"handle": "JCPST-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/JCPST-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/26661"
},
{
"href": "https://whois.arin.net/rest/poc/JCPST-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/26661"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "1829 Denver West Drive\r\nBuilding #27\nGolden\nCO\n80401\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"JCPS Tech"
],
[
"org",
[],
"text",
"Jefferson County Public School District"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-303-982-6500"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2011-02-10T14:31:52-05:00"
},
{
"eventAction": "registration",
"eventDate": "1998-11-20T00:00:00-05:00"
}
],
"handle": "JCPS-1",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/JCPS-1",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/26661"
},
{
"href": "https://whois.arin.net/rest/org/JCPS-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/26661"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Jeffco Public Schools"
],
[
"adr",
{
"label": "1829 Denver West Drive\r\nBuilding 27\nGolden\nCO\n80401\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-11-13T11:32:24-05:00"
},
{
"eventAction": "registration",
"eventDate": "2010-05-19T19:06:05-04:00"
}
],
"handle": "JCPST-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/JCPST-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/26661"
},
{
"href": "https://whois.arin.net/rest/poc/JCPST-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/26661"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical",
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "1829 Denver West Drive\r\nBuilding #27\nGolden\nCO\n80401\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"JCPS Tech"
],
[
"org",
[],
"text",
"Jefferson County Public School District"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-303-982-6500"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2012-02-24T09:44:34-05:00"
},
{
"eventAction": "registration",
"eventDate": "2011-02-14T14:02:51-05:00"
}
],
"handle": "AS26661",
"links": [
{
"href": "https://rdap.arin.net/registry/autnum/26661",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/26661"
},
{
"href": "https://whois.arin.net/rest/asn/AS26661",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/26661"
}
],
"name": "JCPS-ASN",
"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/26661"
}
],
"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/26661"
}
],
"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": 26661,
"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.