AS4557 SOUTHEAST-TEXAS-GIGAPOP - Rice University
🇺🇸ARINassigned
Announced Prefixes (BGP)
10total
6 IPv44 IPv6
IPv4 Addresses
Allocated (RIR)4,096
Announced (BGP)5,376
IPv6 Addresses
Allocated (RIR)0
Announced (BGP)3.1×10²⁶
Routing hygiene
Score 33/100 · Medium riskRPKI ROA coverage
0%
no RPKI invalid prefixes
IRR route objects
100%
no origin mismatches
Hijack signals
0
0 announced against others' ROAs, 0 own announced by others
Upstreams
4
diversity 66/100
- 100% of announced prefixes (10 of 10) have no valid ROA
Based on 10 announced prefixes, updated daily (2026-10-23). How the score works · RPKI explained
Announced Prefixes
(BGP)10|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| No ROA | Other IRR | 2026-10-26 | |
| No ROA | Other IRR | 2026-10-26 | |
| No ROA | Other IRR | 2026-10-26 | |
| No ROA | Other IRR | 2026-10-26 | |
| No ROA | Other IRR | 2026-10-26 | |
| No ROA | Other IRR | 2026-10-26 | |
| No ROA | Other IRR | 2026-10-26 | |
| No ROA | Other IRR | 2026-10-26 | |
| No ROA | Other IRR | 2026-10-26 | |
| No ROA | - | 2026-10-26 |
Allocated Prefixes
(RIR)1Prefix | Country | RIR | Status |
|---|---|---|---|
| 198.32.224.0/20 | 🇺🇸 US | ARIN | allocated |
All 10 announced prefixes of AS4557 →
BGP Neighbours
(seen in AS paths)Upstreams (4)
Networks AS4557 hands its own prefixes to: transit providers, or peers at an exchange.
Downstreams (13)
Networks whose own prefixes AS4557 passes on: usually its customers.
- AS25977HOUSTON COMMUNITY COLLEGE SYSTEM44
- AS30049Metropolitan Transit Authority Of Harris County16
- AS302Baylor College Of Medicine2
- AS5707The University Of Texas Health Science Center At Houston2
- AS20099Houston Museum Of Natural Science2
- AS8Rice University1
- AS3634Stephen F. Austin State University1
- AS23030University Of Houston Downtown1
- AS26633Texas Woman'S University1
- AS394324Pearland Independent School District1
- AS394801Stephen F. Austin State University1
- AS395708City Of Pearland1
- AS397953Alvin Independent School District1
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 AS4557 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/4557Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/4557" | jq