| Date | IP Address |
| 2016-02-10 | 108.162.195.10 (ClassC) |
| 2016-02-11 | 108.162.194.10 (ClassC) |
| 2018-05-24 | 104.28.18.72 (ClassC) |
| 2018-05-24 | 104.28.19.72 (ClassC) |
| 2019-11-04 | 104.31.92.229 (ClassC) |
| 2019-11-04 | 104.31.93.229 (ClassC) |
| 2020-08-12 | 172.67.154.181 (ClassC) |
| 2025-11-30 | 178.32.149.185 (ClassC) |
| Date | Domain | IP |
| www.usability-lab.pl | 2018-05-24 | 104.28.18.72 |