| Date | IP Address |
| 2019-08-23 | 104.102.249.49 (ClassC) |
| 2020-05-15 | 95.100.97.34 (ClassC) |
| 2020-10-13 | 23.35.70.154 (ClassC) |
| 2021-03-27 | 104.102.249.153 (ClassC) |
| 2022-06-16 | 23.38.189.25 (ClassC) |
| 2022-07-29 | 23.205.89.64 (ClassC) |
| 2023-04-26 | 104.117.244.50 (ClassC) |
| 2024-02-25 | 23.220.103.165 (ClassC) |
| 2024-02-28 | 23.213.34.146 (ClassC) |
| 2024-06-28 | 23.206.171.43 (ClassC) |
| 2024-07-06 | 23.32.75.160 (ClassC) |
| 2024-08-14 | 23.48.37.192 (ClassC) |
| 2024-08-14 | 23.48.37.195 (ClassC) |
| 2024-08-25 | 23.219.78.169 (ClassC) |
| 2024-10-18 | 23.213.34.159 (ClassC) |
| 2024-11-06 | 23.206.169.32 (ClassC) |
| 2024-11-06 | 23.206.169.48 (ClassC) |
| 2024-11-25 | 104.96.203.16 (ClassC) |
| 2025-03-01 | 23.52.42.39 (ClassC) |
| 2025-04-11 | 104.98.118.153 (ClassC) |
| 2025-07-29 | 23.46.228.7 (ClassC) |
| 2025-10-05 | 23.46.228.8 (ClassC) |
| 2025-10-31 | 23.44.175.68 (ClassC) |
| 2025-12-05 | 23.40.41.33 (ClassC) |
| 2026-01-25 | 23.46.228.10 (ClassC) |
| Date | Domain | IP |
| www.stage-internet.zeiss.com.hk | 2024-01-08 | 23.216.145.144 |
| www.zeiss.com.hk | 2024-02-28 | 23.213.34.146 |