AS18791 TCU - Texas Christian University
🇺🇸ARINassigned
Announced Prefixes (BGP)
2total
2 IPv40 IPv6
IPv4 Addresses
Allocated (RIR)65,536
Announced (BGP)65,792
IPv6 Addresses
Allocated (RIR)1.2×10²⁴
Announced (BGP)0
Announced Prefixes
(BGP)2|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | ARINOther IRR | 2026-10-11 | |
| No ROA | - | 2026-10-11 |
Allocated Prefixes
(RIR)2Prefix | Country | RIR | Status |
|---|---|---|---|
| 138.237.0.0/16 | 🇺🇸 US | ARIN | allocated |
| 2620:73:8000::/48 | 🇺🇸 US | ARIN | allocated |
All 2 announced prefixes of AS18791 →
BGP Neighbours
(seen in AS paths)Upstreams (1)
Networks AS18791 hands its own prefixes to: transit providers, or peers at an exchange.
- AS22645LEARN2
ASPA
No ASPA
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
- ASPA explainedWhy AS18791 should publish an ASPA object
- 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/18791Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/18791" | jq