| Date | IP Address |
| 2013-06-13 | 89.18.179.48 (ClassC) |
| 2025-05-01 | 185.89.5.131 (ClassC) |
| Date | Domain | IP |
| hostmaster.havistencompetent.nl | 2025-04-17 | 185.89.5.131 |
| nieuw.havistencompetent.nl | 2025-03-16 | 185.89.5.131 |
| www.nieuw.havistencompetent.nl | 2025-05-01 | 185.89.5.131 |
| www.havistencompetent.nl | 2025-04-25 | 185.89.5.131 |