203.191.4.0/24
🇯🇵CIDR
203.191.4.0/24
IP Version
IPv4
Addresses
256
Mask
/24 (255.255.255.0)
Country
🇯🇵 Japan
City
Chiyoda City
RIR
APNIC
Status
assigned
Allocated
8/2/2007
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.191.4.0/24 | AS38658LQNET-TK-AS-AP - LIQUIDNET ASIA LIMITED | No ROA | RADB | 6/1/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS38658 | RADB | IDC | 9/27/2024 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/203.191.4.0/24Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/203.191.4.0/24" | jq
External Links