121.200.64.0/18
🇰🇷CIDR
121.200.64.0/18
IP Version
IPv4
Addresses
16.3K
Mask
/18 (255.255.192.0)
Country
🇰🇷 South Korea
City
Seoul (Toegye-ro)
RIR
APNIC
Status
allocated
Allocated
7/19/2006
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 121.200.64.0/18 | AS17849SKB-GINAMHANVIT-AS-KR-KR - SK Broadband Co Ltd | No ROA | RADB | 5/31/2026 |
Covering Prefix
7 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 121.200.120.0/21 | AS17849SKB-GINAMHANVIT-AS-KR-KR - SK Broadband Co Ltd | No ROA | — | 5/31/2026 |
| 121.200.64.0/23 | AS17849SKB-GINAMHANVIT-AS-KR-KR - SK Broadband Co Ltd | No ROA | — | 5/31/2026 |
| 121.200.118.0/23 | AS17849SKB-GINAMHANVIT-AS-KR-KR - SK Broadband Co Ltd | No ROA | — | 5/31/2026 |
| 121.200.69.0/24 | AS17849SKB-GINAMHANVIT-AS-KR-KR - SK Broadband Co Ltd | No ROA | — | 5/31/2026 |
| 121.200.67.0/24 | AS17849SKB-GINAMHANVIT-AS-KR-KR - SK Broadband Co Ltd | No ROA | — | 5/31/2026 |
| 121.200.117.0/24 | AS17849SKB-GINAMHANVIT-AS-KR-KR - SK Broadband Co Ltd | No ROA | — | 5/31/2026 |
| 121.200.82.0/24 | AS17849SKB-GINAMHANVIT-AS-KR-KR - SK Broadband Co Ltd | No ROA | — | 5/31/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS17849 | RADB | MAINT-AS4637 | 11/13/2023 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/121.200.64.0/18Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/121.200.64.0/18" | jq
External Links