2401:7640::/31
🇯🇵CIDR
2401:7640::/31
IP Version
IPv6
Addresses
158456.3Y
Mask
/31
Country
🇯🇵 Japan
City
Chiyoda
RIR
APNIC
Status
assigned
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 2401:7640::/31 | AS63771BGPNAP - Border Gateway Protocol Network Analysis Project | Valid | — | 5/31/2026 |
Covering Prefix
38 less-specific announcementsRPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 2401:7640::/31 | AS63771 | /31 | apnic |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 2401:7641::/32 | AS63778 | 🇯🇵JP | allocated |
| 2401:7640::/32 | AS63771 | 🇯🇵JP | allocated |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/2401:7640::/31Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/2401:7640::/31" | jq
External Links