203.255.248.0/21
🇰🇷CIDR
203.255.248.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇰🇷 South Korea
City
Paripark (World Cup buk-ro)
RIR
APNIC
Status
allocated
Allocated
9/29/1996
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.255.248.0/21 | AS9270APAN-KR-AS-KR - National Infomation Society Agency | No ROA | RADB | 5/31/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.255.248.0/22 | AS9270APAN-KR-AS-KR - National Infomation Society Agency | No ROA | — | 5/31/2026 |
| 203.255.252.0/22 | AS9270APAN-KR-AS-KR - National Infomation Society Agency | No ROA | — | 5/31/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS9270 | RADB | MAINT-AS4766 | 11/13/2023 |
Geolocation
Country🇰🇷South KoreaKR
RegionSeoul
CityParipark (World Cup buk-ro)
Coordinates37.5777, 126.8920 ↗
API
Open https://api.ipctl.io/v1/prefix/203.255.248.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/203.255.248.0/21" | jq
External Links