| 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) |
| 2024-07-03 | 13.210.209.220 (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) |
| 2025-01-01 | 54.79.111.233 (ClassC) |
| 2025-01-11 | 3.104.84.165 (ClassC) |
| 2025-01-22 | 13.239.160.165 (ClassC) |
| 2025-01-31 | 52.65.117.139 (ClassC) |
| 2025-02-21 | 13.210.153.238 (ClassC) |
| 2025-03-06 | 54.206.10.162 (ClassC) |
| 2025-04-23 | 54.253.127.52 (ClassC) |
| 2025-05-30 | 13.236.215.140 (ClassC) |
| 2025-07-10 | 52.65.66.156 (ClassC) |
| 2025-09-06 | 3.105.149.33 (ClassC) |
| 2025-12-03 | 3.104.31.122 (ClassC) |
| 2026-01-17 | 54.66.174.201 (ClassC) |
| Date | Domain | IP |
| amplitude-api.f4s.com | 2024-10-05 | 18.161.6.6 |
| cdn.f4s.com | 2024-11-05 | 18.238.238.93 |
| www.f4s.com | 2024-12-30 | 54.79.111.233 |