| Date | IP Address |
| 2023-05-03 | 108.138.233.68 (ClassC) |
| 2023-07-04 | 18.65.39.59 (ClassC) |
| 2023-09-04 | 18.239.18.74 (ClassC) |
| 2024-01-31 | 3.163.24.55 (ClassC) |
| 2024-04-05 | 3.163.189.78 (ClassC) |
| 2024-07-08 | 18.161.6.88 (ClassC) |
| 2024-12-13 | 3.163.24.87 (ClassC) |
| 2025-04-20 | 3.163.189.80 (ClassC) |
| 2025-08-17 | 3.163.24.79 (ClassC) |
| 2026-01-09 | 3.163.24.11 (ClassC) |
| Date | Domain | IP |
| baustelle.hoyer.de | 2025-08-18 | 162.55.156.4 |
| api.hoyer.de | 2024-04-22 | 3.77.189.28 |
| mtls.api.hoyer.de | 2024-11-25 | 52.57.223.168 |
| internal.hoyer.de | 2024-11-24 | 3.125.36.154 |
| redirect.hoyer.de | 2025-10-22 | 162.55.156.4 |
| dev.redirect.hoyer.de | 2025-06-11 | 162.55.156.4 |
| www.hoyer.de | 2024-01-31 | 3.163.24.55 |
| assets.www.hoyer.de | 2024-10-10 | 18.161.6.99 |