AS402389 AMHERST - Amherst
🇺🇸ARINassigned
Announced Prefixes (BGP)
2total
1 IPv41 IPv6
IPv4 Addresses
Allocated (RIR)0
Announced (BGP)512
IPv6 Addresses
Allocated (RIR)0
Announced (BGP)1.2×10²⁴
Routing hygiene
Score 50/100 · High riskRPKI ROA coverage
0%
no RPKI invalid prefixes
IRR route objects
0%
1 prefix registered for another origin
Hijack signals
0
0 announced against others' ROAs, 0 own announced by others
Upstreams
2
diversity 50/100
- 100% of announced prefixes (2 of 2) have no valid ROA
- 100% of announced prefixes (2 of 2) have no IRR route object for this ASN
Based on 2 announced prefixes, updated daily (2026-10-26). How the score works · RPKI explained
Announced Prefixes
(BGP)2|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| No ROA | - | 2026-10-26 | |
| No ROA | - | 2026-10-26 |
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 AS402389 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/402389Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/402389" | jq