| Date | IP Address |
| 2025-02-21 | 18.161.6.98 (ClassC) |
| 2025-05-24 | 52.84.162.60 (ClassC) |
| 2025-07-06 | 52.84.162.108 (ClassC) |
| 2025-09-01 | 18.161.6.91 (ClassC) |
| 2025-10-23 | 18.161.6.111 (ClassC) |
| 2025-12-01 | 3.169.173.118 (ClassC) |
| Date | Domain | IP |
| www.edu001.study.gr.jp | 2025-02-21 | 18.178.255.27 |
| cloud.study.gr.jp | 2024-06-08 | 35.74.121.90 |
| higashihiroshima.cloud.study.gr.jp | 2024-11-13 | 3.114.111.209 |
| studymate.cloud.study.gr.jp | 2025-02-21 | 18.161.6.98 |
| single.eval.cloud.study.gr.jp | 2025-02-22 | 18.178.124.135 |
| multi.eval.cloud.study.gr.jp | 2024-11-25 | 18.180.4.143 |
| interactive.study.gr.jp | 2025-02-21 | 54.95.36.98 |
| manabi.study.gr.jp | 2025-02-22 | 3.115.226.88 |
| school.study.gr.jp | 2024-06-03 | 52.194.117.73 |
| www.test.study.gr.jp | 2025-02-22 | 204.246.191.41 |
| www.study.gr.jp | 2024-07-14 | 18.161.6.97 |