HomePrefix Lookup61.100.240.0/21

61.100.240.0/21

🇰🇷
CIDR
61.100.240.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇰🇷 South Korea
City
Goyang-si (Jungang-ro 1275beon-gil)
RIR
APNIC
Status
allocated
Allocated
3/21/2001

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
61.100.240.0/21AS45372ULN-AS-KR-KR - ULNetworks Co., Ltd.No ROA
RADB
6/1/2026

Covering Prefix

1 less-specific announcement
PrefixOrigin ASRPKIIRRLast Seen
61.100.240.0/22AS45372ULN-AS-KR-KR - ULNetworks Co., Ltd.No ROA—6/1/2026

IRR Route Objects

1
OriginRegistryMaintainerModified
AS45372RADBMAINT-AS476611/13/2023
Geolocation
Country🇰🇷South KoreaKR
RegionGyeonggi-do
CityGoyang-si (Jungang-ro 1275beon-gil)
GEThttps://api.ipctl.io/v1/prefix/61.100.240.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/61.100.240.0/21" | jq