| Date | IP Address |
| 2018-12-06 | 195.66.99.233 (ClassC) |
| 2019-12-10 | 195.66.99.100 (ClassC) |
| 2021-06-14 | 52.28.63.93 (ClassC) |
| 2021-06-14 | 18.195.195.52 (ClassC) |
| 2021-06-14 | 52.28.199.213 (ClassC) |
| 2022-04-10 | 52.29.60.27 (ClassC) |
| 2022-04-10 | 52.28.209.72 (ClassC) |
| 2022-05-12 | 52.58.61.237 (ClassC) |
| 2022-05-12 | 35.156.227.70 (ClassC) |
| 2022-05-12 | 52.29.240.148 (ClassC) |
| 2022-07-11 | 3.124.207.153 (ClassC) |
| 2022-07-11 | 3.64.203.133 (ClassC) |
| 2022-07-11 | 18.192.135.179 (ClassC) |
| 2022-09-09 | 3.121.58.183 (ClassC) |
| 2022-09-09 | 3.121.8.94 (ClassC) |
| 2022-09-09 | 52.59.170.245 (ClassC) |
| 2025-05-22 | 52.29.194.91 (ClassC) |
| 2025-06-19 | 18.192.7.171 (ClassC) |
| 2025-06-26 | 52.58.199.255 (ClassC) |
| 2025-08-04 | 3.121.83.71 (ClassC) |
| 2025-08-15 | 3.67.231.35 (ClassC) |
| 2025-08-29 | 18.185.250.237 (ClassC) |
| 2025-11-21 | 52.57.251.130 (ClassC) |
| Date | Domain | IP |
| ww3.efs-survey.com | 2024-11-24 | 18.192.163.139 |
| ww5.efs-survey.com | 2025-10-03 | 3.65.65.60 |
| sonova.efs-survey.com | 2025-05-27 | 195.66.99.102 |
| cc.efs-survey.com | 2025-08-06 | 195.66.99.102 |
| training.efs-survey.com | 2025-05-22 | 52.29.194.91 |
| opinion.efs-survey.com | 2025-10-14 | 195.66.99.102 |
| www.efs-survey.com | 2023-11-01 | 52.28.42.228 |