| 2001:240:1f1:c1:: | 2001:240:1f1:c1:ffff:ffff:ffff:ffff | MEDIA TECH INC. |
| 2001:240:1f1:c2:: | 2001:240:1f1:c5:ffff:ffff:ffff:ffff | Internet Initiative Japan Inc. |
| 2001:240:1f1:c6:: | 2001:240:1f1:c6:ffff:ffff:ffff:ffff | M-TEC Co., Ltd. |
| 2001:240:1f1:c7:: | 2001:240:1f1:c7:ffff:ffff:ffff:ffff | Internet Initiative Japan Inc. |
| 2001:240:1f1:c8:: | 2001:240:1f1:c8:ffff:ffff:ffff:ffff | NetForce CORPORATION |
| 2001:240:1f1:c9:: | 2001:240:1f1:ffff:ffff:ffff:ffff:ffff | Internet Initiative Japan Inc. |
| 2001:240:1f2:: | 2001:240:1f2:1:ffff:ffff:ffff:ffff | Internet Initiative Japan Inc. |
| 2001:240:1f2:2:: | 2001:240:1f2:2:ffff:ffff:ffff:ffff | Mitsubishi UFJ Lease & Finance Company Limited |
| 2001:240:1f2:3:: | 2001:240:1f2:3:ffff:ffff:ffff:ffff | SUMITOMO FORESTRY INFORMATION SYSTEMS Co., Ltd. |
| 2001:240:1f2:4:: | 2001:240:1f2:f:ffff:ffff:ffff:ffff | Internet Initiative Japan Inc. |