203.253.136.0/22 - KREONET KR KISTI (AS1237)
CIDR
203.253.136.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇰🇷 South Korea
City
Naju (Jinheung-gil)
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.253.136.0/22 | AS1237 KREONET-AS-KR KISTI | Valid | APNICOther IRR | 2026-10-11 |
Origin ASN
AS1237
KREONET-AS-KR KISTI
Related Prefixes
Geolocation
Learn more
- RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
- RPKI validatorCheck ROA coverage for any prefix or ASN
- What is BGP?How prefixes are announced and routed
- More-specific prefixesGlossary: covering and more-specific routes
- IPv4 transfers in the APNIC regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/203.253.136.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/203.253.136.0/22" | jq
External Links