| Date | IP Address |
| 2023-08-31 | 52.214.181.108 (ClassC) |
| 2024-04-19 | 52.213.220.70 (ClassC) |
| 2024-07-14 | 52.16.51.240 (ClassC) |
| 2024-11-05 | 52.214.37.239 (ClassC) |
| 2025-03-09 | 54.72.179.225 (ClassC) |
| 2025-08-13 | 18.202.27.221 (ClassC) |
| 2025-08-30 | 52.211.35.62 (ClassC) |
| 2025-11-23 | 52.48.36.44 (ClassC) |
| Date | Domain | IP |
| api.cef-virtual-signature.com | 2025-07-13 | 34.240.253.124 |
| test.api.cef-virtual-signature.com | 2025-03-16 | 54.229.132.10 |
| dev.api.cef-virtual-signature.com | 2023-08-31 | 52.214.181.108 |
| uk.cef-virtual-signature.com | 2025-09-19 | 99.84.66.39 |