| Date | IP Address |
| 2023-08-26 | 52.63.216.165 (ClassC) |
| 2024-04-18 | 13.238.18.75 (ClassC) |
| 2024-04-29 | 3.24.165.197 (ClassC) |
| 2024-05-13 | 54.252.183.14 (ClassC) |
| 2024-07-13 | 13.238.94.84 (ClassC) |
| 2024-08-28 | 13.55.212.56 (ClassC) |
| 2024-09-20 | 3.106.7.169 (ClassC) |
| 2024-10-06 | 13.54.246.211 (ClassC) |
| 2024-10-20 | 52.65.156.23 (ClassC) |
| 2024-11-05 | 3.105.9.41 (ClassC) |
| 2024-11-21 | 13.236.170.213 (ClassC) |
| 2024-12-29 | 3.104.84.165 (ClassC) |
| Date | Domain | IP |
| amplitude-api.f4s.com | 2024-10-05 | 18.161.6.6 |
| cdn.f4s.com | 2024-02-05 | 99.84.66.112 |