| Date | IP Address |
| 2022-04-19 | 13.112.111.229 (ClassC) |
| 2024-06-22 | 54.65.67.8 (ClassC) |
| 2024-07-05 | 18.182.206.6 (ClassC) |
| 2024-07-28 | 13.113.218.115 (ClassC) |
| 2024-08-16 | 13.112.46.243 (ClassC) |
| 2024-09-22 | 54.168.81.128 (ClassC) |
| 2024-12-31 | 18.182.227.136 (ClassC) |
| 2025-01-31 | 18.182.170.79 (ClassC) |
| 2025-02-19 | 54.199.139.19 (ClassC) |
| 2025-05-01 | 52.199.79.101 (ClassC) |
| 2025-05-21 | 54.65.86.219 (ClassC) |
| 2025-06-30 | 52.68.163.32 (ClassC) |
| 2025-08-21 | 57.181.244.43 (ClassC) |
| 2025-09-22 | 54.250.171.168 (ClassC) |
| 2026-01-21 | 54.199.97.157 (ClassC) |
| Date | Domain | IP |
| admin.studyin.jp | 2024-06-16 | 52.197.5.171 |