Organization
University Corporation for Atmospheric Research
NET-UCAR-V6
Location
Boulder
Colorado, United States (US)
Hostname
—
Geolocation
United States (US) United States
- Country
- United States (US)
- Region
- Colorado
- City
- Boulder
- Continent
- North America
- Coordinates
- 39.9779, -105.275 View on map ↗
Network Information
IP Range 2001:468:500:: – 2001:468:5ff:ffff:ffff:ffff:ffff:ffff CIDR 2001:468:500::/40 Network Name NET-UCAR-V6 Handle NET6-2001-468-500-1 Type ALLOCATION Parent Network NET6-2001-468-1 Organization University Corporation for Atmospheric Research Organization ID UCAR-1 Address 3090 Center Green Drive, Boulder, CO, 80301, United States Country United States (US) Registry ARIN Registered On Jul 10, 2013 Last Updated Jul 10, 2013 Status
active
ASN & Routing
Origin AS AS14041 AS Name AS-FRGP - University Corporation for Atmospheric Research, US Announced Prefix 2001:468:500::/48 AS Registry ARIN Prefix Country United States (US) Allocated 2001-03-12 RPKI Origin Valid (covered by a matching ROA)
Reverse DNS
No PTR record is published for this address.
Abuse Contact
Raw RDAP Response
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"v6prefix": "2001:468:500::",
"length": 40
}
],
"endAddress": "2001:468:5ff:ffff:ffff:ffff:ffff:ffff",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-03-27T13:43:32-04:00"
},
{
"eventAction": "registration",
"eventDate": "2018-02-20T12:22:27-05:00"
}
],
"handle": "MEEHL5-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/MEEHL5-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2001:468:500::"
},
{
"href": "https://whois.arin.net/rest/poc/MEEHL5-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2001:468:500::"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"administrative"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"REDACTED"
],
[
"kind",
{},
"text",
"individual"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-08-26T11:08:09-04:00"
},
{
"eventAction": "registration",
"eventDate": "2022-07-22T15:35:42-04:00"
}
],
"handle": "HERNA1265-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/HERNA1265-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2001:468:500::"
},
{
"href": "https://whois.arin.net/rest/poc/HERNA1265-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2001:468:500::"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"REDACTED"
],
[
"kind",
{},
"text",
"individual"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-03-30T17:35:16-04:00"
},
{
"eventAction": "registration",
"eventDate": "2022-11-07T11:31:48-05:00"
}
],
"handle": "ADLER49-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ADLER49-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2001:468:500::"
},
{
"href": "https://whois.arin.net/rest/poc/ADLER49-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2001:468:500::"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"REDACTED"
],
[
"kind",
{},
"text",
"individual"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-03-03T10:52:00-05:00"
},
{
"eventAction": "registration",
"eventDate": "2002-08-28T19:30:07-04:00"
}
],
"handle": "ABUSE18-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ABUSE18-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2001:468:500::"
},
{
"href": "https://whois.arin.net/rest/poc/ABUSE18-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2001:468:500::"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "1850 Table Mesa Drive\nBoulder\nCO\n80305\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Abuse"
],
[
"org",
{},
"text",
"National Center for Atmospheric Research"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-307-996-4300"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-04-30T18:41:16-04:00"
},
{
"eventAction": "registration",
"eventDate": "1999-12-10T12:14:21-05:00"
}
],
"handle": "ZN10-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ZN10-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2001:468:500::"
},
{
"href": "https://whois.arin.net/rest/poc/ZN10-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2001:468:500::"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"noc"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "1850 Table Mesa Dr.\nBoulder\nCO\n80305\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"National Center for Atmospheric Research"
],
[
"org",
{},
"text",
"University Corporation for Atmospheric Research"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-307-996-4300"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-08-11T15:56:34-04:00"
},
{
"eventAction": "registration",
"eventDate": "1988-05-26T00:00:00-04:00"
}
],
"handle": "UCAR-1",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/UCAR-1",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2001:468:500::"
},
{
"href": "https://whois.arin.net/rest/org/UCAR-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2001:468:500::"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"University Corporation for Atmospheric Research"
],
[
"adr",
{
"label": "3090 Center Green Drive\nBoulder\nCO\n80301\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
{},
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2013-07-10T16:08:23-04:00"
},
{
"eventAction": "registration",
"eventDate": "2013-07-10T16:08:22-04:00"
}
],
"handle": "NET6-2001-468-500-1",
"ipVersion": "v6",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/2001:468:500::",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2001:468:500::"
},
{
"href": "https://whois.arin.net/rest/net/NET6-2001-468-500-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2001:468:500::"
},
{
"href": "https://rdap.arin.net/registry/ip/2001:468::/32",
"rel": "up",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2001:468:500::"
}
],
"name": "NET-UCAR-V6",
"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/ip/2001:468:500::"
}
],
"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/ip/2001:468:500::"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET6-2001-468-1",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"startAddress": "2001:468:500::",
"status": [
"active"
],
"type": "ALLOCATION"
} Contact details of private individuals are redacted.