| 2001:268:1601:1f:: | 2001:268:1601:25:ffff:ffff:ffff:ffff | KDDI CORPORATION |
| 2001:268:1601:26:: | 2001:268:1601:26:ffff:ffff:ffff:ffff | NIFTY Lifestyle Co., Ltd. |
| 2001:268:1601:27:: | 2001:268:1601:1ff:ffff:ffff:ffff:ffff | KDDI CORPORATION |
| 2001:268:1601:200:: | 2001:268:1601:2ff:ffff:ffff:ffff:ffff | NRI SecureTechnologies, Ltd. |
| 2001:268:1601:300:: | 2001:268:1601:3ff:ffff:ffff:ffff:ffff | KDDI CORPORATION |
| 2001:268:1601:400:: | 2001:268:1601:4ff:ffff:ffff:ffff:ffff | TOKYO METROPOLITAN POLICE DEPARTMENT |
| 2001:268:1601:500:: | 2001:268:1601:ffff:ffff:ffff:ffff:ffff | KDDI CORPORATION |
| 2001:268:1602:: | 2001:268:1602:ffff:ffff:ffff:ffff:ffff | Time Intermedia Corporation |
| 2001:268:1603:: | 2001:268:1603:ffff:ffff:ffff:ffff:ffff | KDDI-NOC |
| 2001:268:1604:: | 2001:268:1604:ffff:ffff:ffff:ffff:ffff | Software Research Associates, Inc. |