| Date | IP Address |
| 2021-01-03 | 2.17.100.128 (ClassC) |
| 2021-01-03 | 2.21.243.140 (ClassC) |
| 2021-01-17 | 2.19.195.90 (ClassC) |
| 2021-01-19 | 72.247.179.80 (ClassC) |
| 2021-01-23 | 23.202.229.145 (ClassC) |
| 2021-03-06 | 95.101.2.79 (ClassC) |
| 2021-04-10 | 2.21.14.33 (ClassC) |
| 2021-04-11 | 2.16.187.8 (ClassC) |
| 2021-04-13 | 173.222.107.202 (ClassC) |
| 2021-05-05 | 23.72.248.8 (ClassC) |
| 2021-05-27 | 2.17.196.121 (ClassC) |
| 2021-06-12 | 104.81.60.193 (ClassC) |
| 2022-06-14 | 2.19.176.74 (ClassC) |
| 2026-02-16 | 31.220.121.40 (ClassC) |
| Date | Domain | IP |
| www.impfterminservice.de | 2026-02-16 | 31.220.121.40 |
| 005-iz.impfterminservice.de | 2021-01-24 | 104.115.83.43 |