| Property | Value |
| tech@sidn.nl |
| Date | IP Address |
| 2015-06-02 | 80.240.129.10 (ClassC) |
| 2019-11-21 | 52.58.78.16 (ClassC) |
| 2021-11-23 | 3.64.163.50 (ClassC) |
| 2024-09-18 | 13.248.252.114 (ClassC) |
| 2024-09-18 | 99.83.138.213 (ClassC) |
| 2024-11-06 | 64.190.63.222 (ClassC) |
| 2025-01-17 | 91.195.241.232 (ClassC) |