123.1.0.0/17
🇯🇵IPv4APNICallocated RPKI Valid
CIDR
123.1.0.0/17
IP Version
IPv4
Addresses
32.7K
Mask
/17 (255.255.128.0)
Country
🇯🇵 Japan
City
Nagoya
RIR
APNIC
Status
allocated
Allocated
11/7/2006
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 |
|---|---|---|---|---|
| 123.1.0.0/18 | AS18126CTCX - Chubu Telecommunications Company, Inc. | Valid | — | 6/13/2026 |
| 123.1.64.0/18 | AS18126CTCX - Chubu Telecommunications Company, Inc. | Valid | — | 6/13/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/123.1.0.0/17Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/123.1.0.0/17" | jq
External Links