| Date | IP Address |
| 2023-11-01 | 52.28.42.228 (ClassC) |
| 2024-05-04 | 3.73.175.81 (ClassC) |
| 2024-07-22 | 18.193.198.255 (ClassC) |
| 2024-09-10 | 3.120.18.27 (ClassC) |
| 2024-09-13 | 52.57.56.111 (ClassC) |
| 2024-11-24 | 18.192.163.139 (ClassC) |
| 2024-12-21 | 3.126.195.247 (ClassC) |
| 2025-01-16 | 18.194.211.116 (ClassC) |
| Date | Domain | IP |
| ww3.efs-survey.com | 2024-11-24 | 18.192.163.139 |
| sonova.efs-survey.com | 2025-01-03 | 195.66.99.102 |
| cc.efs-survey.com | 2025-01-15 | 195.66.99.102 |
| www.efs-survey.com | 2023-11-01 | 52.28.42.228 |