2a01:4244:4f00::/40
🇯🇵CIDR
2a01:4244:4f00::/40
IP Version
IPv6
Addresses
309.4Y
Mask
/40
Country
🇯🇵 Japan
City
Shinagawa (Higashishinagawa)
RIR
RIPE
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 2a01:4244:4f00::/40 | AS1405CAELUS-AS - Caelus Technology LLC | Valid | — | 5/31/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 2a01:4244:4000::/36 | AS1405CAELUS-AS - Caelus Technology LLC | Valid | — | 5/31/2026 |
Origin ASN
AS1405
CAELUS-AS - Caelus Technology LLC
Geolocation
API
Open https://api.ipctl.io/v1/prefix/2a01:4244:4f00::/40Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/2a01:4244:4f00::/40" | jq
External Links