157.2.48.0/21
🇯🇵CIDR
157.2.48.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇯🇵 Japan
City
Chiyoda
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 157.2.48.0/21 | AS8220COLT COLT Technology Services Group Limited | No ROA | RADB | 6/15/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 157.2.32.0/19 | AS8220COLT COLT Technology Services Group Limited | No ROA | — | 6/15/2026 |
| 157.2.52.0/24 | AS8220COLT COLT Technology Services Group Limited | No ROA | — | 6/15/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS8220 | RADB | MAINT-AS8220 | 2/27/2025 |
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/157.2.48.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/157.2.48.0/21" | jq
External Links