HomePrefix Lookup121.53.128.0/17

121.53.128.0/17

🇰🇷
IPv4APNICannouncedAS9457DREAMX-AS-KR - DREAMLINE CO.No ROA
CIDR
121.53.128.0/17
IP Version
IPv4
Addresses
32.7K
Mask
/17 (255.255.128.0)
Country
🇰🇷 South Korea
City
Sinjeong-dong
RIR
APNIC
Status
announced
Allocated
-

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
121.53.128.0/17AS9457DREAMX-AS-KR - DREAMLINE CO.No ROA
RADB
5/31/2026

Covering Prefix

31 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
121.53.0.0/16AS9457DREAMX-AS-KR - DREAMLINE CO.No ROA—5/31/2026
121.53.216.0/22AS7625DAUM-AS-KR - Kakao CorpNo ROA—5/31/2026
121.53.240.0/22AS7625DAUM-AS-KR - Kakao CorpNo ROA—5/31/2026
121.53.244.0/22AS38099KAKAO-AS-KR-KR - Kakao CorpNo ROA—5/31/2026
121.53.238.0/23AS7625DAUM-AS-KR - Kakao CorpNo ROA—5/31/2026
121.53.178.0/23AS10178KAKAOPAY-AS-KR-KR - Kakaopay CorpNo ROA—5/31/2026
121.53.176.0/23AS38099KAKAO-AS-KR-KR - Kakao CorpNo ROA—5/31/2026
121.53.238.0/24AS7625DAUM-AS-KR - Kakao CorpNo ROA—5/31/2026
121.53.237.0/24AS7625DAUM-AS-KR - Kakao CorpNo ROA—5/31/2026
121.53.236.0/24AS7625DAUM-AS-KR - Kakao CorpNo ROA—5/31/2026
121.53.235.0/24AS7625DAUM-AS-KR - Kakao CorpNo ROA—5/31/2026
121.53.234.0/24AS7625DAUM-AS-KR - Kakao CorpNo ROA—5/31/2026
121.53.239.0/24AS7625DAUM-AS-KR - Kakao CorpNo ROA—5/31/2026
121.53.248.0/24AS17878MARK1-AS-KR-KR - DREAMMARK1No ROA—5/31/2026
121.53.221.0/24AS18160AS18160-AS-KR-KR - Kakao CorpNo ROA—5/31/2026
121.53.220.0/24AS18160AS18160-AS-KR-KR - Kakao CorpNo ROA—5/31/2026
121.53.222.0/24AS18160AS18160-AS-KR-KR - Kakao CorpNo ROA—5/31/2026
121.53.223.0/24AS18160AS18160-AS-KR-KR - Kakao CorpNo ROA—5/31/2026
121.53.181.0/24AS38099KAKAO-AS-KR-KR - Kakao CorpNo ROA—5/31/2026
121.53.180.0/24AS38099KAKAO-AS-KR-KR - Kakao CorpNo ROA—5/31/2026
121.53.207.0/24AS38099KAKAO-AS-KR-KR - Kakao CorpNo ROA—5/31/2026
121.53.206.0/24AS38099KAKAO-AS-KR-KR - Kakao CorpNo ROA—5/31/2026
121.53.205.0/24AS38099KAKAO-AS-KR-KR - Kakao CorpNo ROA—5/31/2026
121.53.204.0/24AS38099KAKAO-AS-KR-KR - Kakao CorpNo ROA—5/31/2026
121.53.203.0/24AS38099KAKAO-AS-KR-KR - Kakao CorpNo ROA—5/31/2026
121.53.202.0/24AS38099KAKAO-AS-KR-KR - Kakao CorpNo ROA—5/31/2026
121.53.201.0/24AS38099KAKAO-AS-KR-KR - Kakao CorpNo ROA—5/31/2026
121.53.200.0/24AS38099KAKAO-AS-KR-KR - Kakao CorpNo ROA—5/31/2026
121.53.255.0/24AS38101YULCHON-AS-KR-KR - Yulchon LLCNo ROA—5/31/2026
121.53.231.0/24AS152199KAKAOCORP-AS-KR-KR - Kakao CorpNo ROA—5/31/2026
121.53.230.0/24AS152199KAKAOCORP-AS-KR-KR - Kakao CorpNo ROA—5/31/2026

IRR Route Objects

1
OriginRegistryMaintainerModified
AS9457RADBMAINT-AS378611/13/2023
Origin ASN
AS9457
DREAMX-AS-KR - DREAMLINE CO.
Geolocation
Country🇰🇷South KoreaKR
RegionSeoul
CitySinjeong-dong
Coordinates37.5123, 126.8510 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/121.53.128.0/17

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/121.53.128.0/17" | jq
External Links
RIPEstat Hurricane Electric BGP