131.143.252.0/23
🇯🇵IPv4ARINallocated RPKI Valid
CIDR
131.143.252.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇯🇵 Japan
City
Tokyo
RIR
ARIN
Status
allocated
Allocated
10/6/2025
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not currently announced in BGP. See covering prefix below. | ||||
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 131.143.253.0/24 | AS3320DTAG Deutsche Telekom AG | Valid | — | 6/13/2026 |
| 131.143.252.0/24 | AS149020WEBHORIZON-AS-AP - WebHorizon Internet Services | Valid | — | 6/13/2026 |
Geolocation
Country🇯🇵JapanJP
CityTokyo
API
Open https://api.ipctl.io/v1/prefix/131.143.252.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/131.143.252.0/23" | jq
External Links