Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS12145

Announcement observedARIN

COLORADOSTATEUNIV - Colorado State University · COLORADOSTATEUNIV

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active9/30/2026, 06:12:22Snapshot expired

View network topology RDAP registration

ASN: AS12145
Registration country: United States
Name: COLORADOSTATEUNIV - Colorado State University
Abbreviation: COLORADOSTATEUNIV
Registration date: 4/6/1999, 04:00:00
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
129.82.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	9/30/2026, 00:00:00	✓	×	Currently valid

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: COLORADOSTATEUNIV - Colorado State University
RIR: ARIN
Registration country: United States
Registration date: 4/6/1999, 04:00:00
Abuse contact: dns.admin@colostate.edu

Snapshot trend

9/30/2026, 06:12:221 v40 v61 Upstream · 0 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · rir-rdap-asn · iana-rdap-asn-bootstrap