121.53.0.0/16
🇰🇷CIDR
121.53.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇰🇷 South Korea
City
Gwangmyeong (Digital-ro 31-gil)
RIR
APNIC
Status
allocated
Allocated
6/19/2006
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 121.53.0.0/16 | AS9457DREAMX-AS-KR - DREAMLINE CO. | No ROA | RADB | 5/31/2026 |
Covering Prefix
48 less-specific announcementsOrigin ASN
AS9457
DREAMX-AS-KR - DREAMLINE CO.
Geolocation
Country🇰🇷South KoreaKR
RegionGyeonggi-do
CityGwangmyeong (Digital-ro 31-gil)
Coordinates37.4864, 126.8920 ↗
API
Open https://api.ipctl.io/v1/prefix/121.53.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/121.53.0.0/16" | jq
External Links