203.236.32.0/21
🇰🇷CIDR
203.236.32.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇰🇷 South Korea
City
Seoul (Eulji-ro)
RIR
APNIC
Status
allocated
Allocated
9/29/1996
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.236.32.0/21 | AS9644SKTELECOM-NET-AS-KR - SK Telecom | No ROA | RADB | 5/31/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.236.0.0/17 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
Origin ASN
AS9644
SKTELECOM-NET-AS-KR - SK Telecom
Geolocation
API
Open https://api.ipctl.io/v1/prefix/203.236.32.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/203.236.32.0/21" | jq
External Links