221.133.54.0/24
🇰🇷CIDR
221.133.54.0/24
IP Version
IPv4
Addresses
256
Mask
/24 (255.255.255.0)
Country
🇰🇷 South Korea
City
Seongnam-si (Wiryeseoil-ro)
RIR
APNIC
Status
allocated
Allocated
8/3/2006
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 221.133.54.0/24 | AS9712KPIN-AS-KR-KR - INet Technologies Co., Ltd. | No ROA | RADB | 6/2/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 221.133.48.0/21 | AS9712KPIN-AS-KR-KR - INet Technologies Co., Ltd. | No ROA | — | 6/2/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS9712 | RADB | MAINT-AS9318 | 12/3/2025 |
Geolocation
Country🇰🇷South KoreaKR
RegionGyeonggi-do
CitySeongnam-si (Wiryeseoil-ro)
Coordinates37.4648, 127.1380 ↗
API
Open https://api.ipctl.io/v1/prefix/221.133.54.0/24Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/221.133.54.0/24" | jq
External Links