| Date | IP Address |
| 2019-08-17 | 104.102.249.50 (ClassC) |
| 2020-03-29 | 104.123.152.184 (ClassC) |
| 2020-11-14 | 23.63.71.187 (ClassC) |
| 2021-10-17 | 184.25.113.143 (ClassC) |
| 2024-01-15 | 23.53.122.75 (ClassC) |
| 2024-08-07 | 23.213.34.156 (ClassC) |
| 2024-11-18 | 23.219.78.70 (ClassC) |
| Date | Domain | IP |
| www.stage-internet.zeiss.nl | 2024-06-09 | 23.219.78.185 |
| www.zeiss.nl | 2024-01-15 | 23.53.122.75 |