203.255.220.0/23
🇰🇷CIDR
203.255.220.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇰🇷 South Korea
City
Yongsan-dong (Gwanak-ro)
RIR
APNIC
Status
allocated
Allocated
9/29/1996
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.255.220.0/23 | AS9970KUT-AS-KR - Korea University of Technology and Education | No ROA | RADB | 5/31/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS9970 | RADB | MAINT-AS4766 | 11/13/2023 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/203.255.220.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/203.255.220.0/23" | jq
External Links