| Date | IP Address |
| 2024-09-02 | 3.163.24.85 (ClassC) |
| 2024-10-20 | 13.224.14.41 (ClassC) |
| 2024-11-21 | 3.163.24.123 (ClassC) |
| 2024-12-01 | 13.224.14.5 (ClassC) |
| 2024-12-14 | 13.224.14.89 (ClassC) |
| 2024-12-23 | 3.163.24.2 (ClassC) |
| 2025-01-30 | 3.163.24.23 (ClassC) |
| 2025-02-26 | 52.84.162.36 (ClassC) |
| 2025-04-19 | 13.226.184.95 (ClassC) |
| 2025-04-25 | 3.163.24.61 (ClassC) |
| 2025-07-11 | 3.163.24.128 (ClassC) |
| 2026-02-18 | 3.163.24.111 (ClassC) |
| Date | Domain | IP |
| img.studying.jp | 2024-07-05 | 3.163.24.119 |
| gtm.studying.jp | 2025-10-31 | 52.197.231.131 |
| next-cdn.studying.jp | 2026-02-06 | 3.169.173.121 |
| common.studying.jp | 2024-11-07 | 99.84.66.80 |
| member.studying.jp | 2025-02-28 | 3.163.24.50 |
| files.studying.jp | 2024-09-03 | 18.178.48.52 |
| www.studying.jp | 2024-08-10 | 3.163.24.23 |