| Date | IP Address |
| 2018-11-07 | 34.241.180.203 (ClassC) |
| 2019-01-18 | 52.19.22.24 (ClassC) |
| 2020-09-19 | 18.200.12.59 (ClassC) |
| 2021-03-18 | 52.17.108.22 (ClassC) |
| 2023-09-29 | 34.254.87.236 (ClassC) |
| 2023-10-13 | 52.213.141.72 (ClassC) |
| 2024-06-03 | 108.128.208.128 (ClassC) |
| 2024-06-11 | 54.229.95.227 (ClassC) |
| 2024-07-21 | 52.214.208.59 (ClassC) |
| 2025-01-30 | 34.254.102.101 (ClassC) |
| 2025-08-18 | 52.214.252.81 (ClassC) |
| 2025-09-07 | 34.248.249.127 (ClassC) |
| 2026-01-22 | 52.49.250.235 (ClassC) |
| Date | Domain | IP |
| us.spk-fe.com | 2023-09-29 | 3.138.73.108 |
| eu.spk-fe.com | 2024-06-03 | 52.19.97.138 |