| Date | IP Address |
| 2019-02-07 | 13.249.79.71 (ClassC) |
| 2021-12-08 | 99.86.186.102 (ClassC) |
| 2021-12-08 | 99.86.186.66 (ClassC) |
| 2022-01-24 | 99.86.231.102 (ClassC) |
| 2024-02-29 | 65.8.161.21 (ClassC) |
| 2024-03-10 | 99.84.66.115 (ClassC) |
| 2024-09-04 | 99.84.66.4 (ClassC) |
| 2025-07-04 | 99.84.66.54 (ClassC) |
| 2025-07-24 | 99.84.66.8 (ClassC) |
| Date | Domain | IP |
| fedoki.studycat.net | 2024-12-07 | 13.224.14.75 |
| subs.studycat.net | 2024-02-29 | 65.8.161.21 |