| Date | IP Address |
| 2022-05-12 | 54.229.119.210 (ClassC) |
| 2023-12-11 | 34.252.62.157 (ClassC) |
| 2024-07-01 | 63.35.101.77 (ClassC) |
| 2024-08-22 | 108.128.19.115 (ClassC) |
| 2024-09-13 | 108.129.3.160 (ClassC) |
| 2024-12-06 | 63.33.74.146 (ClassC) |
| 2024-12-29 | 79.125.64.35 (ClassC) |
| 2025-04-10 | 99.80.225.97 (ClassC) |
| 2025-05-01 | 52.49.197.34 (ClassC) |
| 2025-08-08 | 54.246.129.85 (ClassC) |
| Date | Domain | IP |
| archivportal.arcanum.hu | 2024-05-27 | 52.213.98.31 |
| static-cdn.arcanum.hu | 2024-05-01 | 204.246.191.95 |
| pipacs.arcanum.hu | 2025-05-30 | 52.210.18.106 |
| postcards.arcanum.hu | 2024-05-14 | 34.253.69.6 |
| adtplus.arcanum.hu | 2024-06-16 | 34.252.40.200 |
| adt.arcanum.hu | 2025-01-04 | 79.125.64.35 |
| www.arcanum.hu | 2023-12-11 | 34.252.62.157 |