| ASN | Organization | IPs |
|---|---|---|
| AS59109 | Hitachi Ltd. Managed & Platform Services Business Division | 15,360 |
| AS4711 | Intec Inc. | 12,288 |
| AS2497 | Internet Initiative Japan Inc. | 9,216 |
| AS18121 | Ishikawa Computer Center Co. Ltd. | 8,192 |
| AS45689 | Convivial Net | 8,192 |
| AS9370 | Sakura Internet Inc. | 4,096 |
| AS9374 | Edion Corporation | 4,096 |
| AS10010 | Tokai Communications Corporation | 1,536 |
| AS59103 | SoftEther Corporation | 1,024 |
| AS10013 | Freebit Co. Ltd. | 512 |
| AS59120 | Tsukuba Internet Service Corporation | 512 |
| AS151388 | SoftEther Corporation (SE-JIKKEN-AS) | 256 |
| AS2519 | Arteria Networks Corporation | 256 |