AS12145 COLORADOSTATEUNIV - Colorado State University
🇺🇸ARINassigned
Announced Prefixes (BGP)
3total
3 IPv40 IPv6
IPv4 Addresses
Allocated (RIR)65,536
Announced (BGP)82,176
IPv6 Addresses
Allocated (RIR)0
Announced (BGP)0
Announced Prefixes
(BGP)3|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | ARINOther IRR | 2026-10-08 | |
| Valid | Other IRR | 2026-10-08 | |
| Valid | ARINOther IRR | 2026-10-08 |
Allocated Prefixes
(RIR)1Prefix | Country | RIR | Status |
|---|---|---|---|
| 129.82.0.0/16 | 🇺🇸 US | ARIN | allocated |
All 3 announced prefixes of AS12145 →
Downstream Customers(1)
| ASN | Name |
|---|---|
| AS31991 | 🇺🇸PRPA - Platte River Power Authority |
BGP Neighbours
(seen in AS paths)Upstreams (1)
Networks AS12145 hands its own prefixes to: transit providers, or peers at an exchange.
- AS14041University Corporation For Atmospheric Research3
External Links
Learn more
- What is an ASN?Autonomous systems, ASN ranges and how they are assigned
- RPKI and route origin validationWhat the RPKI badges on the prefix list mean
- How to run an ASPA checkVerify the upstream providers listed above
- IPv4 transfers in the ARIN regionMonthly volume and the latest registry transfers
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/12145Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/12145" | jq