| 2001:240:1f2:1b:: | 2001:240:1f2:1b:ffff:ffff:ffff:ffff | Internet Initiative Japan Inc. |
| 2001:240:1f2:1c:: | 2001:240:1f2:1c:ffff:ffff:ffff:ffff | TDmobile Corporation |
| 2001:240:1f2:1d:: | 2001:240:1f2:1d:ffff:ffff:ffff:ffff | NX INFORMATION SYSTEMS CO., LTD. |
| 2001:240:1f2:1e:: | 2001:240:1f2:1e:ffff:ffff:ffff:ffff | Internet Initiative Japan Inc. |
| 2001:240:1f2:1f:: | 2001:240:1f2:1f:ffff:ffff:ffff:ffff | INNOTECH CORPORATION |
| 2001:240:1f2:20:: | 2001:240:1f2:20:ffff:ffff:ffff:ffff | WEST JAPAN Railway Daily Service Net Company |
| 2001:240:1f2:21:: | 2001:240:1f2:21:ffff:ffff:ffff:ffff | Shinshu Otani Educational Institution |
| 2001:240:1f2:22:: | 2001:240:1f2:24:ffff:ffff:ffff:ffff | Internet Initiative Japan Inc. |
| 2001:240:1f2:25:: | 2001:240:1f2:25:ffff:ffff:ffff:ffff | KOEI TECMO GAMES CO., LTD. |
| 2001:240:1f2:26:: | 2001:240:1f2:26:ffff:ffff:ffff:ffff | Internet Initiative Japan Inc. |