| 2001:240:1f1:a4:: | 2001:240:1f1:a4:ffff:ffff:ffff:ffff | Internet Initiative Japan Inc. |
| 2001:240:1f1:a5:: | 2001:240:1f1:a6:ffff:ffff:ffff:ffff | IACE TRAVEL Co., Ltd. |
| 2001:240:1f1:a7:: | 2001:240:1f1:a7:ffff:ffff:ffff:ffff | MediAtelier Inc. |
| 2001:240:1f1:a8:: | 2001:240:1f1:aa:ffff:ffff:ffff:ffff | Internet Initiative Japan Inc. |
| 2001:240:1f1:ab:: | 2001:240:1f1:ab:ffff:ffff:ffff:ffff | The Japan Research Institute, Limited |
| 2001:240:1f1:ac:: | 2001:240:1f1:ac:ffff:ffff:ffff:ffff | KEI Advanced Inc. |
| 2001:240:1f1:ad:: | 2001:240:1f1:ad:ffff:ffff:ffff:ffff | Internet Initiative Japan Inc. |
| 2001:240:1f1:ae:: | 2001:240:1f1:ae:ffff:ffff:ffff:ffff | NISSEICOM, LIMITED |
| 2001:240:1f1:af:: | 2001:240:1f1:af:ffff:ffff:ffff:ffff | Sanyo Chemical Industries, Ltd. |
| 2001:240:1f1:b0:: | 2001:240:1f1:b0:ffff:ffff:ffff:ffff | Seirei Welfare Community |