| Date | IP Address |
| 2021-04-25 | 3.127.186.234 (ClassC) |
| 2023-08-23 | 3.125.255.131 (ClassC) |
| 2023-11-11 | 52.29.229.50 (ClassC) |
| 2024-02-09 | 3.66.80.112 (ClassC) |
| 2024-04-18 | 35.158.151.205 (ClassC) |
| 2024-05-02 | 3.67.28.123 (ClassC) |
| 2024-06-07 | 52.28.246.115 (ClassC) |
| 2024-06-16 | 3.125.111.81 (ClassC) |
| 2024-08-23 | 3.69.73.49 (ClassC) |
| 2024-09-14 | 3.66.204.115 (ClassC) |
| 2024-10-05 | 3.68.169.239 (ClassC) |
| 2024-11-24 | 3.72.159.114 (ClassC) |
| 2024-11-25 | 18.185.182.90 (ClassC) |
| 2024-12-26 | 3.69.83.118 (ClassC) |
| 2025-01-10 | 52.28.78.222 (ClassC) |
| 2025-04-25 | 18.193.196.220 (ClassC) |
| 2025-06-29 | 18.192.167.127 (ClassC) |
| 2025-09-01 | 18.195.225.93 (ClassC) |
| 2026-02-03 | 3.124.76.176 (ClassC) |
| Date | Domain | IP |
| app-stage.hotelfriend.de | 2024-06-11 | 3.71.215.136 |
| app.hotelfriend.de | 2024-04-18 | 3.64.144.189 |
| www.app.hotelfriend.de | 2025-09-06 | 18.195.225.93 |
| app-stage-test.hotelfriend.de | 2024-06-11 | 3.66.239.119 |
| web-dev.hotelfriend.de | 2024-10-05 | 3.72.123.46 |
| app-dev.hotelfriend.de | 2024-06-11 | 3.64.84.104 |
| www.hotelfriend.de | 2024-10-05 | 3.68.169.239 |