| Date | IP Address |
| 2022-04-20 | 172.67.5.249 (ClassC) |
| 2025-06-02 | 104.18.16.111 (ClassC) |
| 2026-02-08 | 104.18.17.111 (ClassC) |
| Date | Domain | IP |
| api.oscstudy.com | 2025-11-26 | 104.18.17.111 |
| www.api.oscstudy.com | 2025-05-28 | 54.220.165.91 |
| app.oscstudy.com | 2025-08-17 | 104.18.17.111 |
| www.app.oscstudy.com | 2025-08-14 | 54.220.165.91 |
| author.oscstudy.com | 2024-01-10 | 99.84.66.71 |
| editor.oscstudy.com | 2025-06-02 | 104.18.16.111 |
| www.editor.oscstudy.com | 2024-08-20 | 104.18.16.111 |