138.168.190.0/23
🇯🇵CIDR
138.168.190.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇯🇵 Japan
City
Chiyoda City
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 138.168.190.0/23 | AS637DNIC-ASBLK-00616-00665 - United States Department of Defense (DoD) | No ROA | — | 6/1/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 138.168.0.0/14 | AS721DNIC-ASBLK-00721-00726 - United States Department of Defense (DoD) | No ROA | — | 6/1/2026 |
| 138.168.0.0/16 | AS637DNIC-ASBLK-00616-00665 - United States Department of Defense (DoD) | No ROA | — | 6/1/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/138.168.190.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/138.168.190.0/23" | jq
External Links