| Date | IP Address |
| 2018-08-01 | 52.193.140.110 (ClassC) |
| 2019-06-23 | 52.69.91.84 (ClassC) |
| 2023-06-26 | 13.113.17.192 (ClassC) |
| 2024-05-05 | 52.194.101.100 (ClassC) |
| 2024-08-28 | 176.34.30.113 (ClassC) |
| 2024-09-08 | 18.177.178.156 (ClassC) |
| 2024-12-28 | 35.78.162.78 (ClassC) |
| Date | Domain | IP |
| www.i-seiko.co.jp | 2024-08-28 | 13.113.115.38 |