AS63771 BGPNAP Border Gateway Protocol Network Analysis Project
Announced Prefixes (BGP)
22total
14 IPv48 IPv6
IPv4 Addresses
Allocated (RIR)1,024
Announced (BGP)6,144
IPv6 Addresses
Allocated (RIR)7.9×10²⁸
Announced (BGP)3.9×10²⁹
Prefix Limit (IPv4)
50
Prefix Limit (IPv6)
50
Allocated
-
Announced Prefixes
(BGP)22|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | - | 2026-10-11 | |
| Valid | - | 2026-10-11 | |
| Valid | - | 2026-10-11 | |
| Valid | - | 2026-10-11 | |
| Valid | - | 2026-10-11 | |
| Valid | - | 2026-10-11 | |
| Valid | - | 2026-10-11 | |
| Valid | - | 2026-10-11 | |
| Valid | - | 2026-10-11 | |
| Valid | - | 2026-10-11 |
1-10 of 22
1 / 3
Allocated Prefixes
(RIR)2Prefix | Country | RIR | Status |
|---|---|---|---|
| 103.96.64.0/22 | 🇯🇵 JP | APNIC | allocated |
| 2401:7640::/32 | 🇯🇵 JP | APNIC | allocated |
All 22 announced prefixes of AS63771 →
BGP Neighbours
(seen in AS paths)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 AS63771 should publish an ASPA object
- 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/63771Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/63771" | jq