| Date | IP Address |
| 2021-10-10 | 3.123.77.18 (ClassC) |
| 2022-10-03 | 18.192.96.59 (ClassC) |
| 2023-05-25 | 3.123.62.218 (ClassC) |
| 2023-11-01 | 3.64.198.72 (ClassC) |
| 2024-03-11 | 18.196.170.102 (ClassC) |
| 2024-11-05 | 52.57.128.203 (ClassC) |
| 2024-11-24 | 3.67.205.231 (ClassC) |
| 2025-01-16 | 52.59.21.56 (ClassC) |
| 2025-02-01 | 3.67.206.254 (ClassC) |
| 2025-06-17 | 3.124.246.71 (ClassC) |
| 2025-06-22 | 54.93.60.225 (ClassC) |
| 2025-07-10 | 3.121.73.115 (ClassC) |
| 2025-08-07 | 52.57.78.89 (ClassC) |
| 2025-08-30 | 18.184.211.53 (ClassC) |
| 2025-09-02 | 52.57.190.186 (ClassC) |
| 2025-09-17 | 18.158.87.196 (ClassC) |
| 2026-01-04 | 18.153.162.39 (ClassC) |
| Date | Domain | IP |
| assets.rekenen-oefenen.nl | 2024-09-30 | 99.86.38.43 |
| www.rekenen-oefenen.nl | 2023-11-01 | 3.64.198.72 |