| Date | IP Address |
| 2021-05-25 | 13.112.34.37 (ClassC) |
| 2021-08-01 | 54.250.128.99 (ClassC) |
| 2021-11-29 | 54.64.110.88 (ClassC) |
| 2022-05-28 | 13.115.213.250 (ClassC) |
| 2022-07-19 | 35.75.82.60 (ClassC) |
| 2022-10-15 | 52.68.194.62 (ClassC) |
| 2023-11-06 | 52.195.60.146 (ClassC) |
| 2024-01-08 | 13.114.69.104 (ClassC) |
| 2024-04-19 | 52.194.52.179 (ClassC) |
| 2024-05-02 | 35.72.251.173 (ClassC) |
| 2025-08-02 | 35.76.227.38 (ClassC) |
| 2025-09-07 | 57.183.74.165 (ClassC) |
| 2025-09-25 | 54.168.33.114 (ClassC) |
| 2025-11-06 | 35.74.11.47 (ClassC) |
| 2026-01-15 | 52.68.74.139 (ClassC) |
| Date | Domain | IP |
| www.tajima-prep.com | 2025-10-06 | 52.197.200.129 |