| Date | IP Address |
| 2018-09-08 | 172.64.170.4 (ClassC) |
| 2018-09-12 | 172.64.130.4 (ClassC) |
| 2018-09-14 | 172.64.195.4 (ClassC) |
| 2018-09-25 | 172.64.166.4 (ClassC) |
| 2018-10-16 | 104.31.78.189 (ClassC) |
| 2018-10-16 | 104.31.79.189 (ClassC) |
| 2023-01-09 | 172.64.166.5 (ClassC) |
| 2023-08-27 | 104.21.48.209 (ClassC) |
| 2023-08-30 | 172.64.160.10 (ClassC) |
| 2025-07-22 | 104.21.73.241 (ClassC) |
| 2025-07-29 | 172.67.193.117 (ClassC) |
| Date | Domain | IP |
| s1.studylib.net | 2025-04-30 | 104.21.73.241 |
| s2.studylib.net | 2025-05-01 | 172.67.193.117 |