HomePrefix Lookup203.81.128.0/19

203.81.128.0/19

🇰🇷
IPv4APNICallocatedAS17608ABN-AS-KR-KR - ABNNo ROA
CIDR
203.81.128.0/19
IP Version
IPv4
Addresses
8.1K
Mask
/19 (255.255.224.0)
Country
🇰🇷 South Korea
City
Seongnam-si (Seongnam-daero 343beon-gil)
RIR
APNIC
Status
allocated
Allocated
10/19/2004

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
203.81.128.0/19AS17608ABN-AS-KR-KR - ABNNo ROA
RADB
6/1/2026

Covering Prefix

4 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
203.81.128.0/21AS17608ABN-AS-KR-KR - ABNNo ROA—6/1/2026
203.81.136.0/21AS17608ABN-AS-KR-KR - ABNNo ROA—6/1/2026
203.81.144.0/21AS17608ABN-AS-KR-KR - ABNNo ROA—6/1/2026
203.81.152.0/21AS17608ABN-AS-KR-KR - ABNNo ROA—6/1/2026

IRR Route Objects

1
OriginRegistryMaintainerModified
AS17608RADBMAINT-AS378611/13/2023
Geolocation
Country🇰🇷South KoreaKR
RegionGyeonggi-do
CitySeongnam-si (Seongnam-daero 343beon-gil)
GEThttps://api.ipctl.io/v1/prefix/203.81.128.0/19

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

curl -s "https://api.ipctl.io/v1/prefix/203.81.128.0/19" | jq