121.144.0.0/12
🇰🇷CIDR
121.144.0.0/12
IP Version
IPv4
Addresses
1M
Mask
/12 (255.240.0.0)
Country
🇰🇷 South Korea
City
Jwa-dong
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 121.144.0.0/12 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | RADB | 5/31/2026 |
Covering Prefix
31 less-specific announcementsIRR 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/121.144.0.0/12Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/121.144.0.0/12" | jq
External Links