HomePrefix Lookup121.254.128.0/17

121.254.128.0/17

🇰🇷
CIDR
121.254.128.0/17
IP Version
IPv4
Addresses
32.7K
Mask
/17 (255.255.128.0)
Country
🇰🇷 South Korea
City
Seongnam-si
RIR
APNIC
Status
allocated
Allocated
5/29/2006

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
121.254.128.0/17AS3786LGDACOM-KR - LG DACOM CorporationNo ROA
RADB
5/31/2026

IRR Route Objects

1
OriginRegistryMaintainerModified
AS3786RADBMAINT-AS378611/13/2023
Geolocation
Country🇰🇷South KoreaKR
RegionGyeonggi-do
CitySeongnam-si
GEThttps://api.ipctl.io/v1/prefix/121.254.128.0/17

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

curl -s "https://api.ipctl.io/v1/prefix/121.254.128.0/17" | jq