| Date | IP Address |
| 2013-12-12 | 202.128.243.219 (ClassC) |
| 2014-08-04 | 93.184.215.73 (ClassC) |
| 2014-12-16 | 184.27.202.82 (ClassC) |
| 2017-12-09 | 13.33.141.19 (ClassC) |
| 2017-12-26 | 13.33.162.38 (ClassC) |
| 2021-07-27 | 54.230.103.126 (ClassC) |
| 2023-12-23 | 43.159.119.198 (ClassC) |
| 2024-06-14 | 43.175.136.58 (ClassC) |
| 2024-07-19 | 43.132.94.244 (ClassC) |
| 2024-10-02 | 43.152.182.46 (ClassC) |
| 2024-12-10 | 43.159.117.58 (ClassC) |
| 2025-05-01 | 43.175.7.147 (ClassC) |
| 2025-05-26 | 43.175.7.20 (ClassC) |
| 2026-01-21 | 43.175.7.185 (ClassC) |
| Date | Domain | IP |
| apps.pcdirectory.gov.hk | 2026-01-06 | 42.200.31.28 |
| www.pcdirectory.gov.hk | 2014-12-16 | 184.27.202.82 |