AS3431 ESNET-AS - ESnet
ASPA Published
Announced Prefixes (BGP)
4total
4 IPv40 IPv6
IPv4 Addresses
Allocated (RIR)0
Announced (BGP)1,024
IPv6 Addresses
Allocated (RIR)0
Announced (BGP)0
Prefix Limit (IPv4)
10
Prefix Limit (IPv6)
5
Allocated
-
Routing hygiene
Score 40/100 · 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
1
diversity 0/100
- 100% of announced prefixes (4 of 4) have no valid ROA
- Only one upstream seen in the AS paths of its routes
Based on 4 announced prefixes, updated daily (2026-10-26). How the score works · RPKI explained
Announced Prefixes
(BGP)4|
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 |
All 4 announced prefixes of AS3431 →
Upstream Providers(1)
| ASN | Name |
|---|---|
| AS293 | 🇺🇸ESNET - ESnet |
BGP Neighbours
(seen in AS paths)Upstreams (1)
Networks AS3431 hands its own prefixes to: transit providers, or peers at an exchange.
- AS293ESnet4
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 transfer marketTransfers published by all five RIRs
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/3431Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/3431" | jq