147.47.120.0/21
🇰🇷CIDR
147.47.120.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇰🇷 South Korea
City
Yongsan-dong (Gwanak-ro)
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 147.47.120.0/21 | AS1237KREONET-AS-KR-KR - KISTI | No ROA | RADB | 5/31/2026 |
Covering Prefix
4 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 147.47.0.0/16 | AS9488SNU-AS-KR-KR - Seoul National University | No ROA | — | 5/31/2026 |
| 147.47.96.0/19 | AS9488SNU-AS-KR-KR - Seoul National University | No ROA | — | 5/31/2026 |
| 147.47.124.0/24 | AS1237KREONET-AS-KR-KR - KISTI | No ROA | — | 5/31/2026 |
| 147.47.125.0/24 | AS1237KREONET-AS-KR-KR - KISTI | No ROA | — | 5/31/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS1237 | RADB | MAINT-AS3786 | 11/13/2023 |
Origin ASN
AS1237
KREONET-AS-KR-KR - KISTI
Geolocation
API
Open https://api.ipctl.io/v1/prefix/147.47.120.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/147.47.120.0/21" | jq
External Links