| Date | IP Address |
| 2019-02-13 | 104.24.14.3 (ClassC) |
| 2019-02-13 | 104.24.15.3 (ClassC) |
| 2023-08-14 | 104.18.38.200 (ClassC) |
| 2024-04-03 | 104.18.0.224 (ClassC) |
| 2024-04-11 | 104.18.1.224 (ClassC) |
| 2024-05-05 | 104.18.37.183 (ClassC) |
| 2024-05-27 | 172.64.150.73 (ClassC) |
| 2024-10-28 | 104.18.27.110 (ClassC) |
| 2024-11-02 | 104.18.26.110 (ClassC) |
| Date | Domain | IP |
| serviceportal.grandcityproperty.de | 2024-04-13 | 104.18.1.224 |
| access.grandcityproperty.de | 2024-06-02 | 57.133.66.40 |