121.139.137.0/24
🇰🇷IPv4APNICannouncedMOASNo ROA
CIDR
121.139.137.0/24
IP Version
IPv4
Addresses
256
Mask
/24 (255.255.255.0)
Country
🇰🇷 South Korea
City
Anyang-si (Dongan-gu)
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
2 of 2 routesMOAS - 2 origin ASNs
RPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 121.139.137.0/24 | AS3786LGDACOM-KR - LG DACOM Corporation | No ROA | RADB | 6/1/2026 |
| 121.139.137.0/24 | AS23591LS-AS-KR-KR - LS ITC | No ROA | — | 6/1/2026 |
Covering Prefix
3 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 121.128.0.0/11 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 6/1/2026 |
| 121.128.0.0/12 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 6/1/2026 |
| 121.136.0.0/13 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 6/1/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS3786 | RADB | MAINT-AS3786 | 11/13/2023 |
Geolocation
Country🇰🇷South KoreaKR
RegionGyeonggi-do
CityAnyang-si (Dongan-gu)
Coordinates37.4032, 126.9570 ↗
API
Open https://api.ipctl.io/v1/prefix/121.139.137.0/24Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/121.139.137.0/24" | jq
External Links