1.233.208.0/20
🇰🇷CIDR
1.233.208.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇰🇷 South Korea
City
Seodaemun-gu
RIR
APNIC
Status
allocated
Allocated
7/19/2010
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 1.233.208.0/20 | AS4665YONSEI-AS-KR-KR - Yonsei University | No ROA | RADB | 5/31/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 1.224.0.0/11 | AS9318SKB-AS-KR - SK Broadband Co Ltd | No ROA | — | 5/31/2026 |
| 1.232.0.0/13 | AS9318SKB-AS-KR - SK Broadband Co Ltd | No ROA | — | 5/31/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS4665 | RADB | MAINT-AS9318 | 11/13/2023 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 1.233.222.0/24 | 🇰🇷KR | assigned | |
| 1.233.209.0/24 | 🇰🇷KR | assigned | |
| 1.233.214.0/24 | 🇰🇷KR | assigned | |
| 1.233.208.0/24 | 🇰🇷KR | assigned | |
| 1.233.215.0/24 | 🇰🇷KR | assigned | |
| 1.233.216.0/24 | 🇰🇷KR | assigned | |
| 1.233.220.0/24 | 🇰🇷KR | assigned | |
| 1.233.218.0/24 | 🇰🇷KR | assigned | |
| 1.233.219.0/24 | 🇰🇷KR | assigned | |
| 1.233.221.0/24 | 🇰🇷KR | assigned | |
| 1.233.223.0/24 | 🇰🇷KR | assigned | |
| 1.233.213.0/24 | 🇰🇷KR | assigned | |
| 1.233.217.0/24 | 🇰🇷KR | assigned | |
| 1.233.212.0/24 | 🇰🇷KR | assigned | |
| 1.233.211.0/24 | 🇰🇷KR | assigned | |
| 1.233.210.0/24 | 🇰🇷KR | assigned |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/1.233.208.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/1.233.208.0/20" | jq
External Links