AS397656 CHI01-US-CENTRIEN-COM - Centrien
🇺🇸ARINassignedASPA Published
Announced Prefixes (BGP)
1total
1 IPv40 IPv6
IPv4 Addresses
Allocated (RIR)256
Announced (BGP)256
IPv6 Addresses
Allocated (RIR)4.9×10²⁷
Announced (BGP)0
Routing hygiene
Score 10/100 · Low riskRPKI ROA coverage
100%
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
- Only one upstream seen in the AS paths of its routes
Based on 1 announced prefix, updated daily (2026-10-24). How the score works · RPKI explained
Announced Prefixes
(BGP)1|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | ARIN | 2026-10-26 |
Allocated Prefixes
(RIR)2Prefix | Country | RIR | Status |
|---|---|---|---|
| 23.137.144.0/24 | 🇺🇸 US | ARIN | allocated |
| 2602:fdc8::/36 | 🇺🇸 US | ARIN | allocated |
All 1 announced prefix of AS397656 →
Upstream Providers(1)
| ASN | Name |
|---|---|
| AS212895 | 🇩🇪ROUTE64_ORG Johannes Ernst |
BGP Neighbours
(seen in AS paths)Upstreams (1)
Networks AS397656 hands its own prefixes to: transit providers, or peers at an exchange.
- AS212895ROUTE64 ORG Johannes Ernst1
Transfer History
Registry transfers of AS397656 between organisations.
- AS397656M&A ·
- AS397656M&A ·
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 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/397656Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/397656" | jq