211.54.0.0/15
🇰🇷CIDR
211.54.0.0/15
IP Version
IPv4
Addresses
131K
Mask
/15 (255.254.0.0)
Country
🇰🇷 South Korea
City
Seongnam-si (Buljeong-ro)
RIR
APNIC
Status
allocated
Allocated
2/16/2000
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 211.54.0.0/15 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | RADB | 6/1/2026 |
Covering Prefix
5 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 211.55.76.0/24 | AS9843NACFFUTURES-AS-KR - NHINFORMATIONSYSTEM | No ROA | — | 6/1/2026 |
| 211.54.6.0/24 | AS10060YONSEI01-AS-KR-KR - YONSEI UNIVERSITY HEALTH SYSTEM | No ROA | — | 6/1/2026 |
| 211.54.2.0/24 | AS10069SMLINE-AS-KR-KR - Seoul Metro | No ROA | — | 6/1/2026 |
| 211.55.9.0/24 | AS17594SMBS-AS-KR-KR - SMBS | No ROA | — | 6/1/2026 |
| 211.55.53.0/24 | AS55610MSAFER-AS-KR-KR - KAIT | No ROA | — | 6/1/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS4766 | RADB | MAINT-AS4766 | 11/13/2023 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 211.55.0.0/16 | 🇰🇷KR | assigned | |
| 211.54.0.0/16 | 🇰🇷KR | assigned |
Origin ASN
AS4766
KIXS-AS-KR-KR - Korea Telecom
Geolocation
Country🇰🇷South KoreaKR
RegionGyeonggi-do
CitySeongnam-si (Buljeong-ro)
Coordinates37.3654, 127.1220 ↗
API
Open https://api.ipctl.io/v1/prefix/211.54.0.0/15Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/211.54.0.0/15" | jq
External Links