| Date | IP Address |
| 2023-11-01 | 3.14.140.159 (ClassC) |
| 2024-04-14 | 3.14.18.40 (ClassC) |
| 2024-05-03 | 3.138.150.223 (ClassC) |
| 2024-09-29 | 3.17.90.84 (ClassC) |
| 2024-11-14 | 3.22.76.89 (ClassC) |
| Date | Domain | IP |
| k2.classfit.com | 2024-04-13 | 3.142.138.91 |
| ui-refresh.classfit.com | 2024-11-14 | 4.152.198.159 |
| api.classfit.com | 2024-11-15 | 48.211.152.0 |
| app.classfit.com | 2024-11-15 | 48.211.152.0 |
| www.classfit.com | 2023-11-01 | 3.14.140.159 |