| 2001:240:1a0:: | 2001:240:1a0:ffff:ffff:ffff:ffff:ffff | Internet Initiative Japan Inc. |
| 2001:240:1a1:: | 2001:240:1a3:ffff:ffff:ffff:ffff:ffff | CTY Co., Ltd. |
| 2001:240:1a4:: | 2001:240:1a4:ffff:ffff:ffff:ffff:ffff | Internet Initiative Japan Inc. |
| 2001:240:1a5:: | 2001:240:1a5:ffff:ffff:ffff:ffff:ffff | Japan Broadcasting Corporation |
| 2001:240:1a6:: | 2001:240:1a6:ffff:ffff:ffff:ffff:ffff | Hachioji City |
| 2001:240:1a7:: | 2001:240:1a7:ffff:ffff:ffff:ffff:ffff | JOCDN Inc. |
| 2001:240:1a8:: | 2001:240:1a9:ffff:ffff:ffff:ffff:ffff | Pasona Group Inc. |
| 2001:240:1aa:: | 2001:240:1ac:ffff:ffff:ffff:ffff:ffff | Internet Initiative Japan Inc. |
| 2001:240:1ad:: | 2001:240:1ad:ffff:ffff:ffff:ffff:ffff | Matsui Securities Co., Ltd. |
| 2001:240:1ae:: | 2001:240:1af:ffff:ffff:ffff:ffff:ffff | Internet Initiative Japan Inc. |