211.51.0.0/16
🇰🇷CIDR
211.51.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇰🇷 South Korea
City
Seoul (Yeongeon-dong)
RIR
APNIC
Status
allocated
Allocated
11/18/1999
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 211.51.0.0/16 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | RADB | 5/31/2026 |
Covering Prefix
4 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 211.51.48.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 211.51.39.0/24 | AS9852SAMIL-AS-KR - Samil PwC | No ROA | — | 5/31/2026 |
| 211.51.103.0/24 | AS18314KEBHANACARDNET-AS-KR-KR - Hana Card | No ROA | — | 5/31/2026 |
| 211.51.145.0/24 | AS38427STXIDC-AS-KR-KR - FORCETEC Co., LTD. | No ROA | — | 5/31/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS4766 | RADB | MAINT-AS4766 | 11/13/2023 |
Origin ASN
AS4766
KIXS-AS-KR-KR - Korea Telecom
Geolocation
API
Open https://api.ipctl.io/v1/prefix/211.51.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/211.51.0.0/16" | jq
External Links