| Date | IP Address |
| 2020-04-11 | 99.84.102.111 (ClassC) |
| 2020-11-04 | 52.85.224.12 (ClassC) |
| 2020-11-04 | 52.85.224.73 (ClassC) |
| 2020-11-04 | 52.85.224.11 (ClassC) |
| 2021-03-29 | 52.69.206.68 (ClassC) |
| 2024-06-08 | 35.74.121.90 (ClassC) |
| 2024-07-28 | 204.246.191.96 (ClassC) |
| 2025-01-15 | 3.163.189.45 (ClassC) |
| 2025-02-20 | 3.163.189.120 (ClassC) |
| 2025-06-23 | 204.246.191.117 (ClassC) |
| 2025-08-19 | 57.181.163.86 (ClassC) |
| 2025-10-03 | 3.163.24.125 (ClassC) |
| 2025-12-02 | 3.163.24.52 (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 | 2025-04-28 | 18.161.6.22 |