| Date | IP Address |
| 2025-03-30 | 3.165.181.72 (ClassC) |
| 2025-11-12 | 18.161.6.13 (ClassC) |
| Date | Domain | IP |
| 2015-s0.survey.sidn.nl | 2025-07-31 | 18.161.6.94 |
| 05-3-92-2.survey.sidn.nl | 2025-07-23 | 18.161.6.47 |
| arn0-fw3-v912.survey.sidn.nl | 2025-11-12 | 18.161.6.13 |
| 205-185-200-52.survey.sidn.nl | 2025-07-27 | 18.161.6.13 |
| 4rpp68zg.ash2-recsysstormcass-a2.survey.sidn.nl | 2025-07-31 | 18.161.6.47 |
| 26be461a-c6cd-4.survey.sidn.nl | 2025-07-27 | 18.161.6.13 |
| 68-8-5.survey.sidn.nl | 2025-08-16 | 18.161.6.47 |
| 17-58-96-46.survey.sidn.nl | 2025-10-03 | 18.161.6.98 |
| 107-27.survey.sidn.nl | 2025-07-27 | 18.161.6.13 |
| 06-52-28.survey.sidn.nl | 2025-07-27 | 18.161.6.13 |
| 17-121-125-58.survey.sidn.nl | 2025-08-03 | 18.161.6.94 |
| agenda.survey.sidn.nl | 2025-08-22 | 18.161.6.13 |
| ad.survey.sidn.nl | 2025-07-27 | 18.161.6.98 |
| esa-nah.survey.sidn.nl | 2025-10-06 | 18.161.6.98 |
| acceptatie-demo.survey.sidn.nl | 2025-06-06 | 18.161.6.94 |
| 12-ts.survey.sidn.nl | 2025-07-27 | 18.161.6.13 |