| 2001:268:1605:: | 2001:268:1605:ffff:ffff:ffff:ffff:ffff | Tsunagu Network Communications, Inc. |
| 2001:268:1606:: | 2001:268:1700:ffff:ffff:ffff:ffff:ffff | KDDI CORPORATION |
| 2001:268:1701:: | 2001:268:1701:ffff:ffff:ffff:ffff:ffff | FUJITSU LIMITED |
| 2001:268:1702:: | 2001:268:1702:ffff:ffff:ffff:ffff:ffff | SOHGO SECURITY SERVICES CO.,LTD |
| 2001:268:1703:: | 2001:268:1703:ffff:ffff:ffff:ffff:ffff | Fujitsu Marketing LIMITED |
| 2001:268:1704:: | 2001:268:1704:ffff:ffff:ffff:ffff:ffff | Wire and Wireless Co.,Ltd. |
| 2001:268:1705:: | 2001:268:1706:ffff:ffff:ffff:ffff:ffff | KDDI CORPORATION |
| 2001:268:1707:: | 2001:268:1707:ffff:ffff:ffff:ffff:ffff | Nomura Research Institute, Ltd |
| 2001:268:1708:: | 2001:268:1708:ffff:ffff:ffff:ffff:ffff | CDNetworks Japan Co.,Ltd |
| 2001:268:1709:: | 2001:268:1709:ffff:ffff:ffff:ffff:ffff | Tokyo Metropolitan Television Broadcasting Corpo.. |