All IP Ranges › 1.0.0.0/8
/24 breakdown
| Block | Top country | Countries | ASNs | Ranges |
|---|
| 1.21.0.0/24 | Japan (100%) | 1 | 1 | 1 |
| 1.21.96.0/24 | Japan (100%) | 1 | 1 | 1 |
| 1.21.112.0/24 | Japan (100%) | 1 | 1 | 1 |
| 1.21.128.0/24 | Japan (100%) | 1 | 1 | 1 |
| 1.21.144.0/24 | Japan (100%) | 1 | 1 | 1 |
Assigned ranges
| Range | ASN | Org | Country |
|---|
1.21.0.0 – 1.21.95.255 | AS2519 | ARTERIA Networks Corporation | JP |
1.21.96.0 – 1.21.111.255 | AS59125 | FAMILY NET JAPAN INCORPORATED | JP |
1.21.112.0 – 1.21.127.255 | AS2519 | ARTERIA Networks Corporation | JP |
1.21.128.0 – 1.21.143.255 | AS59125 | FAMILY NET JAPAN INCORPORATED | JP |
1.21.144.0 – 1.21.223.255 | AS2519 | ARTERIA Networks Corporation | JP |