126.251.0.0/16
🇯🇵IPv4APNICallocated RPKI Valid
CIDR
126.251.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇯🇵 Japan
City
Chiyoda City
RIR
APNIC
Status
allocated
Allocated
2/8/2005
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
9 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 126.251.0.0/19 | AS131937JCV - Joetsu Cable Vision | Valid | — | 6/13/2026 |
| 126.251.64.0/20 | AS24289KBN - Kagawa T.V Broadcast Network Co,.Ltd | Valid | — | 6/13/2026 |
| 126.251.128.0/20 | AS131937JCV - Joetsu Cable Vision | Valid | — | 6/13/2026 |
| 126.251.80.0/20 | AS131970Hikarinet - Hikarinet Inc. | No ROA | — | 6/13/2026 |
| 126.251.112.0/21 | AS131937JCV - Joetsu Cable Vision | Valid | — | 6/13/2026 |
| 126.251.32.0/21 | AS131937JCV - Joetsu Cable Vision | Valid | — | 6/13/2026 |
| 126.251.104.0/21 | AS131970Hikarinet - Hikarinet Inc. | No ROA | — | 6/13/2026 |
| 126.251.40.0/22 | AS55381CCSNET - CITY-CABLE SHUNAN Corporation | No ROA | — | 6/13/2026 |
| 126.251.44.0/23 | AS55381CCSNET - CITY-CABLE SHUNAN Corporation | No ROA | — | 6/13/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/126.251.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/126.251.0.0/16" | jq
External Links