| Date | IP Address |
| 2015-03-03 | 54.230.32.54 (ClassC) |
| 2024-12-15 | 23.44.175.118 (ClassC) |
| 2025-05-23 | 104.96.163.199 (ClassC) |
| 2025-06-05 | 23.44.175.123 (ClassC) |
| Date | Domain | IP |
| line-t2.dduet.duskin.jp | 2024-07-22 | 23.53.122.13 |
| line-t3.dduet.duskin.jp | 2024-02-21 | 23.44.175.107 |
| line.dduet.duskin.jp | 2024-12-15 | 23.44.175.118 |
| line-t.dduet.duskin.jp | 2024-06-30 | 23.38.191.139 |