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AS31991
PRPA - Platte River Power Authority Announcing routesAS namePRPA
OrganisationPlatte River Power Authority
Registry (RIR)ARIN
HandleAS31991
RangeAS31991
Registered06 Feb 2004
Last changed24 Feb 2012
1IPv4 prefixes
0IPv6 prefixes
1Upstreams
0Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS12145 | COLORADOSTATEUNIV - Colorado State University | 221 |
Downstreams
None seen.
IPv4 prefixes (1)
RPKI-validate all prefixes of AS31991
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| registrant | Platte River Power Authority | PRPA-1 | 2000 East Horsetooth Road, Fort Collins, CO, 80525, United States | |
| abuse, technical | IT System Engineer | ISE16-ARIN | [email protected], +1-970-266-7900 | 2000 East Horsetooth Road, Fort Collins, CO, 80525, United States |
| abuse, technical, administrative | Daniel Tuck | TUCKD3-ARIN | [email protected], +1-970-229-4825 | 2000 E Horsetooth Rd, Fort Collins, CO, 80525, United States |
Raw registry response
{
"endAutnum": 31991,
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2022-06-14T11:54:42-04:00"
},
{
"eventAction": "registration",
"eventDate": "2016-09-06T13:39:47-04:00"
}
],
"handle": "ISE16-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ISE16-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/31991"
},
{
"href": "https://whois.arin.net/rest/poc/ISE16-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/31991"
}
],
"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 2023-06-14"
],
"title": "Unvalidated POC"
}
],
"roles": [
"abuse",
"technical"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "2000 East Horsetooth Road\nFort Collins\nCO\n80525\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"IT System Engineer"
],
[
"org",
[],
"text",
"Platte River Power Authority"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-970-266-7900"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-11-05T17:07:58-05:00"
},
{
"eventAction": "registration",
"eventDate": "2025-11-05T17:07:58-05:00"
}
],
"handle": "TUCKD3-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/TUCKD3-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/31991"
},
{
"href": "https://whois.arin.net/rest/poc/TUCKD3-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/31991"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse",
"technical",
"administrative"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "2000 E Horsetooth Rd\nFort Collins\nCO\n80525\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Daniel Tuck"
],
[
"n",
[],
"text",
[
"Tuck",
"Daniel",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-970-229-4825"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-11-18T13:05:57-05:00"
},
{
"eventAction": "registration",
"eventDate": "2004-01-14T13:40:24-05:00"
}
],
"handle": "PRPA-1",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/PRPA-1",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/31991"
},
{
"href": "https://whois.arin.net/rest/org/PRPA-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/31991"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Platte River Power Authority"
],
[
"adr",
{
"label": "2000 East Horsetooth Road\nFort Collins\nCO\n80525\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2012-02-24T09:44:34-05:00"
},
{
"eventAction": "registration",
"eventDate": "2004-02-05T17:05:02-05:00"
}
],
"handle": "AS31991",
"links": [
{
"href": "https://rdap.arin.net/registry/autnum/31991",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/31991"
},
{
"href": "https://whois.arin.net/rest/asn/AS31991",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/31991"
}
],
"name": "PRPA",
"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/31991"
}
],
"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/31991"
}
],
"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": 31991,
"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.