| Date | IP Address |
| 2017-02-01 | 23.61.184.99 (ClassC) |
| 2019-10-11 | 23.0.145.32 (ClassC) |
| 2023-08-26 | 96.7.156.138 (ClassC) |
| 2024-03-10 | 23.48.17.158 (ClassC) |
| 2024-07-30 | 184.28.32.154 (ClassC) |
| 2024-12-23 | 23.218.99.148 (ClassC) |
| 2025-03-30 | 23.39.17.131 (ClassC) |
| 2025-07-07 | 23.201.22.132 (ClassC) |
| 2025-07-18 | 23.54.32.145 (ClassC) |
| 2026-01-16 | 104.86.94.151 (ClassC) |
| 2026-01-23 | 23.48.17.136 (ClassC) |
| Date | Domain | IP |
| mobile.otto-office.be | 2023-08-26 | 96.7.156.138 |
| m.otto-office.be | 2023-08-26 | 96.7.156.138 |
| app.otto-office.be | 2023-08-26 | 96.7.156.138 |
| www.otto-office.be | 2023-08-26 | 96.7.156.138 |