| Date | IP Address |
| 2014-04-23 | 184.30.19.42 (ClassC) |
| 2017-02-02 | 23.61.184.99 (ClassC) |
| 2019-10-11 | 23.0.145.32 (ClassC) |
| 2023-08-26 | 96.7.156.138 (ClassC) |
| 2024-03-10 | 23.218.99.48 (ClassC) |
| 2024-12-14 | 23.48.17.158 (ClassC) |
| 2025-02-16 | 104.86.94.151 (ClassC) |
| 2025-07-26 | 23.54.32.145 (ClassC) |
| 2025-10-06 | 23.201.22.132 (ClassC) |
| 2025-11-04 | 23.218.99.148 (ClassC) |
| 2026-01-23 | 23.48.17.136 (ClassC) |
| Date | Domain | IP |
| mobile.otto-office.de | 2023-08-26 | 96.7.156.138 |
| blog.otto-office.de | 2023-08-26 | 23.201.33.133 |
| m.otto-office.de | 2023-08-26 | 96.7.156.138 |
| app.otto-office.de | 2023-08-26 | 96.7.156.138 |
| newsletter.otto-office.de | 2023-08-26 | 96.7.156.138 |
| www.otto-office.de | 2023-08-26 | 96.7.156.138 |