| Date | IP Address |
| 2020-07-21 | 23.56.175.177 (ClassC) |
| 2021-01-09 | 184.51.3.146 (ClassC) |
| 2023-08-26 | 104.96.163.207 (ClassC) |
| 2024-03-11 | 104.96.163.202 (ClassC) |
| 2024-03-24 | 104.70.127.35 (ClassC) |
| 2024-06-08 | 23.46.17.26 (ClassC) |
| 2024-08-26 | 23.46.228.178 (ClassC) |
| 2024-09-18 | 23.46.17.37 (ClassC) |
| 2025-01-05 | 23.59.88.209 (ClassC) |
| 2025-01-08 | 23.46.228.165 (ClassC) |
| Date | Domain | IP |
| antispam.radissonblu.hu | 2024-09-03 | 23.46.17.37 |
| authsmtp.radissonblu.hu | 2024-04-01 | 23.46.17.37 |
| postmaster.radissonblu.hu | 2024-12-05 | 104.70.127.35 |
| www.radissonblu.hu | 2024-11-25 | 23.54.19.168 |