203.255.212.0/23
🇰🇷CIDR
203.255.212.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇰🇷 South Korea
City
Yongsan-dong (Gwanak-ro)
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.255.212.0/23 | AS18023KMU-AS-KR-KR - Korea Maritime and Ocean University | No ROA | — | 5/31/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.255.212.0/22 | AS18023KMU-AS-KR-KR - Korea Maritime and Ocean University | No ROA | — | 5/31/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/203.255.212.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/203.255.212.0/23" | jq
External Links