123.0.64.0/18
🇯🇵IPv4APNICassigned RPKI Valid
CIDR
123.0.64.0/18
IP Version
IPv4
Addresses
16.3K
Mask
/18 (255.255.192.0)
Country
🇯🇵 Japan
City
Shōbu
RIR
APNIC
Status
assigned
Allocated
-
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not currently announced in BGP. See covering prefix below. | ||||
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 123.0.64.0/19 | AS18278CC9N - Cable TV Corporation | Valid | — | 6/13/2026 |
| 123.0.96.0/19 | AS18278CC9N - Cable TV Corporation | Valid | — | 6/13/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 123.0.96.0/19 | AS18278 | 🇯🇵JP | allocated |
| 123.0.64.0/19 | AS18278 | 🇯🇵JP | allocated |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/123.0.64.0/18Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/123.0.64.0/18" | jq
External Links