| 2001:240:1f3:1d:: | 2001:240:1f3:1d:ffff:ffff:ffff:ffff | Internet Initiative Japan Inc. |
| 2001:240:1f3:1e:: | 2001:240:1f3:1e:ffff:ffff:ffff:ffff | INSTRUCTION CO., LTD. |
| 2001:240:1f3:1f:: | 2001:240:1f3:ffff:ffff:ffff:ffff:ffff | Internet Initiative Japan Inc. |
| 2001:240:1f4:: | 2001:240:140c:ffff:ffff:ffff:ffff:ffff | Internet Initiative Japan Inc. |
| 2001:240:140d:: | 2001:240:140d:ffff:ffff:ffff:ffff:ffff | Internet Initiative Japan Inc. |
| 2001:240:140e:: | 2001:240:140e:ffff:ffff:ffff:ffff:ffff | FUJIFILM Wako Pure Chemical Corporation |
| 2001:240:140f:: | 2001:240:140f:ffff:ffff:ffff:ffff:ffff | TRICORN Corporation |
| 2001:240:1410:: | 2001:240:1414:ffff:ffff:ffff:ffff:ffff | Internet Initiative Japan Inc. |
| 2001:240:1415:: | 2001:240:1415:ffff:ffff:ffff:ffff:ffff | Pasona Group Inc. |
| 2001:240:1416:: | 2001:240:141c:ffff:ffff:ffff:ffff:ffff | Internet Initiative Japan Inc. |