JAPAN-INET-BLOCK4
Data as of 2026-07-26
Handle
Cluster stats
| Netblocks | 14 · 57,344 IPv4 addresses |
| All fragments | 16 blocks across 2 clusters |
| Cluster ID | 213257574 |
| Registry | APNIC |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | RIR handle |
| Shared handles | clustered on 3 shared RIR contact/maintainer handles |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
Footprint over time
6 weekly snapshots · JSON
14
0 netblocks since 2026-07-05
2026-07-05
peak 14
2026-07-26
IP Ranges (14)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 192.51.16.0 – 192.51.47.255 | JAPAN-INET-BLOCK4 | APNIC | ALLOCATED PORTABLE | ● low |
| 192.51.49.0/24 | JAPAN-INET-BLOCK4 | APNIC | ALLOCATED PORTABLE | ● low |
| 192.51.50.0/23 | JAPAN-INET-BLOCK4 | APNIC | ALLOCATED PORTABLE | ● low |
| 192.51.52.0/22 | JAPAN-INET-BLOCK4 | APNIC | ALLOCATED PORTABLE | ● low |
| 192.51.56.0/21 | JAPAN-INET-BLOCK4 | APNIC | ALLOCATED PORTABLE | ● low |
| 192.51.64.0/18 | JAPAN-INET-BLOCK4 | APNIC | ALLOCATED PORTABLE | ● low |
| 192.51.128.0/19 | JAPAN-INET-BLOCK4 | APNIC | ALLOCATED PORTABLE | ● low |
| 192.51.160.0/21 | JAPAN-INET-BLOCK4 | APNIC | ALLOCATED PORTABLE | ● low |
| 192.51.176.0/21 | JAPAN-INET-BLOCK4 | APNIC | ALLOCATED PORTABLE | ● low |
| 192.51.184.0/22 | JAPAN-INET-BLOCK4 | APNIC | ALLOCATED PORTABLE | ● low |
| 192.51.189.0 – 192.51.191.255 | JAPAN-INET-BLOCK4 | APNIC | ALLOCATED PORTABLE | ● low |
| 192.51.194.0 – 192.51.239.255 | JAPAN-INET-BLOCK4 | APNIC | ALLOCATED PORTABLE | ● low |
| 192.51.241.0 – 192.51.251.255 | JAPAN-INET-BLOCK4 | APNIC | ALLOCATED PORTABLE | ● low |
| 192.51.255.0/24 | JAPAN-INET-BLOCK4 | APNIC | ALLOCATED PORTABLE | ● low |
NIC Handles
JNIC3-AP
JNIC3-AP
MAINT-JPNIC