| Date | IP Address |
| 2016-01-24 | 54.192.89.113 (ClassC) |
| 2016-01-28 | 54.192.89.216 (ClassC) |
| 2016-03-23 | 54.192.89.56 (ClassC) |
| 2016-04-01 | 54.192.89.213 (ClassC) |
| 2017-09-26 | 52.222.232.120 (ClassC) |
| 2017-09-28 | 54.192.2.234 (ClassC) |
| 2017-10-04 | 52.222.227.114 (ClassC) |
| 2017-10-15 | 13.32.150.177 (ClassC) |
| 2017-10-17 | 54.192.2.24 (ClassC) |
| 2018-01-09 | 54.192.2.43 (ClassC) |
| 2018-01-11 | 54.192.2.191 (ClassC) |
| 2018-01-14 | 13.32.67.61 (ClassC) |
| 2018-09-10 | 13.33.251.102 (ClassC) |
| 2018-09-10 | 13.33.251.103 (ClassC) |
| 2018-09-10 | 13.33.251.107 (ClassC) |
| 2019-05-16 | 13.33.112.251 (ClassC) |
| 2024-11-18 | 18.161.6.21 (ClassC) |
| 2025-05-24 | 108.138.94.28 (ClassC) |
| 2025-05-28 | 108.138.94.56 (ClassC) |
| 2025-07-25 | 18.161.6.8 (ClassC) |
| 2025-07-29 | 18.161.6.121 (ClassC) |
| 2025-08-27 | 18.161.6.66 (ClassC) |
| 2026-02-25 | 3.169.173.106 (ClassC) |
| Date | Domain | IP |
| school.studentum.nl | 2025-10-13 | 199.60.103.2 |
| www.studentum.nl | 2015-03-03 | 54.230.5.6 |