121.124.0.0/15
🇰🇷CIDR
121.124.0.0/15
IP Version
IPv4
Addresses
131K
Mask
/15 (255.254.0.0)
Country
🇰🇷 South Korea
City
Seoul (Toegye-ro)
RIR
APNIC
Status
allocated
Allocated
8/2/2006
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 121.124.0.0/15 | AS9318SKB-AS-KR - SK Broadband Co Ltd | No ROA | RADB | 6/1/2026 |
Covering Prefix
4 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 121.124.0.0/16 | AS9318SKB-AS-KR - SK Broadband Co Ltd | No ROA | — | 6/1/2026 |
| 121.125.0.0/16 | AS9318SKB-AS-KR - SK Broadband Co Ltd | No ROA | — | 6/1/2026 |
| 121.125.151.0/24 | AS10167HANVIT-AS-KR - HANVIT BANK | No ROA | — | 6/1/2026 |
| 121.124.111.0/24 | AS10188CHADWICK-AS-KR-KR - Songdo Chadwick international School | No ROA | — | 6/1/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS9318 | RADB | MAINT-AS9318 | 11/13/2023 |
Origin ASN
AS9318
SKB-AS-KR - SK Broadband Co Ltd
Geolocation
API
Open https://api.ipctl.io/v1/prefix/121.124.0.0/15Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/121.124.0.0/15" | jq
External Links