121.53.255.0/24
🇰🇷CIDR
121.53.255.0/24
IP Version
IPv4
Addresses
256
Mask
/24 (255.255.255.0)
Country
🇰🇷 South Korea
City
Gwangmyeong (Digital-ro 31-gil)
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 121.53.255.0/24 | AS38101YULCHON-AS-KR-KR - Yulchon LLC | No ROA | — | 5/31/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 121.53.0.0/16 | AS9457DREAMX-AS-KR - DREAMLINE CO. | No ROA | — | 5/31/2026 |
| 121.53.128.0/17 | AS9457DREAMX-AS-KR - DREAMLINE CO. | No ROA | — | 5/31/2026 |
Origin ASN
AS38101
YULCHON-AS-KR-KR - Yulchon LLC
Geolocation
Country🇰🇷South KoreaKR
RegionGyeonggi-do
CityGwangmyeong (Digital-ro 31-gil)
Coordinates37.4864, 126.8920 ↗
API
Open https://api.ipctl.io/v1/prefix/121.53.255.0/24Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/121.53.255.0/24" | jq
External Links