121.53.80.0/21
🇰🇷CIDR
121.53.80.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇰🇷 South Korea
City
Sinjeong-dong
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 121.53.80.0/21 | AS7625DAUM-AS-KR - Kakao Corp | No ROA | RADB | 5/30/2026 |
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 | — | 5/30/2026 |
| 121.53.0.0/17 | AS9457DREAMX-AS-KR - DREAMLINE CO. | No ROA | — | 5/30/2026 |
Origin ASN
AS7625
DAUM-AS-KR - Kakao Corp
Geolocation
API
Open https://api.ipctl.io/v1/prefix/121.53.80.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/121.53.80.0/21" | jq
External Links