| 2001:240:1f1:bb:: | 2001:240:1f1:bc:ffff:ffff:ffff:ffff | Internet Initiative Japan Inc. |
| 2001:240:1f1:bd:: | 2001:240:1f1:bd:ffff:ffff:ffff:ffff | RIZAP GROUP, Inc. |
| 2001:240:1f1:be:: | 2001:240:1f1:be:ffff:ffff:ffff:ffff | Pension Fund Association |
| 2001:240:1f1:bf:: | 2001:240:1f1:c0:ffff:ffff:ffff:ffff | Internet Initiative Japan Inc. |
| 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. |