| ASN | Organization | IPs |
|---|---|---|
| AS2497 | Internet Initiative Japan Inc. | 15,872 |
| AS10013 | Freebit Co. Ltd. | 8,192 |
| AS7505 | Fujitsu Systems Applications & Support Limited | 8,192 |
| AS9615 | Toyohashi Cable Network Inc. | 8,192 |
| AS2510 | Fujitsu Limited | 6,144 |
| AS138384 | Rakuten Mobile Network Inc. | 4,096 |
| AS17511 | OPTAGE Inc. | 4,096 |
| AS18281 | Tokoname New-TV Corporation | 4,096 |
| AS7524 | ITEC Hankyu Hanshin Co. Ltd. | 4,096 |
| AS10010 | Tokai Communications Corporation | 1,024 |
| AS2519 | Arteria Networks Corporation | 768 |
| AS131989 | PFU Limited | 256 |
| AS2907 | Research Organization of Information and Systems National Institute of Informatics | 256 |
| AS4713 | NTT Docomo Business Inc. | 256 |