203.253.0.0/19 - SK Broadband (AS9318)
CIDR
203.253.0.0/19
IP Version
IPv4
Addresses
8.1K
Mask
/19 (255.255.224.0)
Country
🇰🇷 South Korea
City
Yongsan-dong (Sangdo-ro)
RIR
APNIC
Status
allocated
Allocated
1996-09-29
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
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| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.253.0.0/19 | AS9318 SKB-AS-KR - SK Broadband Co Ltd | No ROA | Other IRR | 2026-10-12 |
More-Specific Announcements
1 more-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.253.31.0/24 | AS4766 KIXS-AS-KR-KR - Korea Telecom | No ROA | - | 2026-10-12 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 203.253.0.0/20 | 🇰🇷KR | assigned | |
| 203.253.16.0/20 | 🇰🇷KR | assigned |
Origin ASN
AS9318
SKB-AS-KR - SK Broadband Co Ltd
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/203.253.0.0/19Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/203.253.0.0/19" | jq
External Links