| 2001:240:1f1:49:: | 2001:240:1f1:49:ffff:ffff:ffff:ffff | The Japan Research Institute, Limited |
| 2001:240:1f1:4a:: | 2001:240:1f1:4b:ffff:ffff:ffff:ffff | Internet Initiative Japan Inc. |
| 2001:240:1f1:4c:: | 2001:240:1f1:4c:ffff:ffff:ffff:ffff | YASKAWA Electric Corporation |
| 2001:240:1f1:4d:: | 2001:240:1f1:4d:ffff:ffff:ffff:ffff | THE NISHI-NIPPON CITY BANK, LTD. |
| 2001:240:1f1:4e:: | 2001:240:1f1:4e:ffff:ffff:ffff:ffff | WEST JAPAN Railway Daily Service Net Company |
| 2001:240:1f1:4f:: | 2001:240:1f1:4f:ffff:ffff:ffff:ffff | DENSO CORPORATION |
| 2001:240:1f1:50:: | 2001:240:1f1:50:ffff:ffff:ffff:ffff | Internet Initiative Japan Inc. |
| 2001:240:1f1:51:: | 2001:240:1f1:51:ffff:ffff:ffff:ffff | ATIS CORPORATION |
| 2001:240:1f1:52:: | 2001:240:1f1:52:ffff:ffff:ffff:ffff | Internet Initiative Japan Inc. |
| 2001:240:1f1:53:: | 2001:240:1f1:53:ffff:ffff:ffff:ffff | Olympus Corporation |