| 2001:240:1e00:2300:: | 2001:240:1e00:23ff:ffff:ffff:ffff:ffff | Ministry of Education, Culture, Sports, Science .. |
| 2001:240:1e00:2400:: | 2001:240:1e00:24ff:ffff:ffff:ffff:ffff | Tateyama System Laboratory, Ltd. |
| 2001:240:1e00:2500:: | 2001:240:1e00:26ff:ffff:ffff:ffff:ffff | Internet Initiative Japan Inc. |
| 2001:240:1e00:2700:: | 2001:240:1e00:27ff:ffff:ffff:ffff:ffff | AIN HOLDINGS INC. |
| 2001:240:1e00:2800:: | 2001:240:1e00:28ff:ffff:ffff:ffff:ffff | Internet Initiative Japan Inc. |
| 2001:240:1e00:2900:: | 2001:240:1e00:2bff:ffff:ffff:ffff:ffff | DOCOMO Systems, Inc. |
| 2001:240:1e00:2c00:: | 2001:240:1e00:2cff:ffff:ffff:ffff:ffff | NTT DOCOMO SOLUTIONS, Inc. |
| 2001:240:1e00:2d00:: | 2001:240:1e00:2dff:ffff:ffff:ffff:ffff | Internet Initiative Japan Inc. |
| 2001:240:1e00:2e00:: | 2001:240:1e00:2fff:ffff:ffff:ffff:ffff | Pan Pacific International Holdings Corporation |
| 2001:240:1e00:3000:: | 2001:240:1e00:31ff:ffff:ffff:ffff:ffff | Internet Initiative Japan Inc. |