AS131 UCSB-NET-AS - University of California, Santa Barbara
🇺🇸ARINassigned
Announced Prefixes (BGP)
6total
5 IPv41 IPv6
IPv4 Addresses
Allocated (RIR)66,560
Announced (BGP)132,096
IPv6 Addresses
Allocated (RIR)7.9×10²⁸
Announced (BGP)7.9×10²⁸
Announced Prefixes
(BGP)6|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| No ROA | Other IRR | 2026-10-10 | |
| No ROA | Other IRR | 2026-10-10 | |
| No ROA | Other IRR | 2026-10-10 | |
| No ROA | Other IRR | 2026-10-10 | |
| No ROA | Other IRR | 2026-10-10 | |
| No ROA | Other IRR | 2026-10-10 |
Allocated Prefixes
(RIR)6Prefix | Country | RIR | Status |
|---|---|---|---|
| 128.111.0.0/16 | 🇺🇸 US | ARIN | allocated |
| 192.35.222.0/24 | 🇺🇸 US | ARIN | allocated |
| 192.150.216.0/24 | 🇺🇸 US | ARIN | allocated |
| 192.150.217.0/24 | 🇺🇸 US | ARIN | allocated |
| 199.120.153.0/24 | 🇺🇸 US | ARIN | allocated |
| 2607:f378::/32 | 🇺🇸 US | ARIN | allocated |
All 6 announced prefixes of AS131 →
BGP Neighbours
(seen in AS paths)Upstreams (1)
Networks AS131 hands its own prefixes to: transit providers, or peers at an exchange.
- AS2152CENIC10
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 AS131 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/131Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/131" | jq