| Date | IP Address |
| 2019-11-30 | 185.89.5.131 (ClassC) |
| 2025-01-31 | 5.254.117.203 (ClassC) |
| 2026-01-23 | 5.254.117.44 (ClassC) |
| Date | Domain | IP |
| mx2.arbosdw.nl | 2025-05-30 | 5.254.117.203 |
| mx3.arbosdw.nl | 2025-05-01 | 5.254.117.203 |
| mail8.arbosdw.nl | 2025-05-27 | 5.254.117.203 |
| mail.arbosdw.nl | 2025-05-30 | 5.254.117.203 |
| mta-sts.mail.arbosdw.nl | 2024-09-22 | 5.254.117.203 |
| outmail.arbosdw.nl | 2025-05-26 | 5.254.117.203 |
| www.arbosdw.nl | 2025-06-02 | 5.254.117.203 |
| gateway.arbosdw.nl | 2025-05-27 | 5.254.117.203 |