210.221.0.0/17
🇰🇷CIDR
210.221.0.0/17
IP Version
IPv4
Addresses
32.7K
Mask
/17 (255.255.128.0)
Country
🇰🇷 South Korea
City
Seoul (Toegye-ro)
RIR
APNIC
Status
allocated
Allocated
5/25/1999
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 210.221.0.0/17 | AS9318SKB-AS-KR - SK Broadband Co Ltd | No ROA | RADB | 6/1/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 210.221.57.0/24 | AS9784KOOKMINCARD1-AS-KR-KR - kbcard | No ROA | — | 6/1/2026 |
| 210.221.125.0/24 | AS10177GREENCROSSLIFEINSURANCE-AS-KR-KR - FUBON HYUNDAI LIFE INSURANCE CO.,LTD | No ROA | — | 6/1/2026 |
Origin ASN
AS9318
SKB-AS-KR - SK Broadband Co Ltd
Geolocation
API
Open https://api.ipctl.io/v1/prefix/210.221.0.0/17Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/210.221.0.0/17" | jq
External Links