| Date | IP Address |
| 2014-12-30 | 185.31.19.133 (ClassC) |
| 2015-03-07 | 23.235.43.133 (ClassC) |
| 2015-03-31 | 199.27.75.133 (ClassC) |
| 2025-07-02 | 104.247.81.51 (ClassC) |
| 2026-01-20 | 104.247.81.99 (ClassC) |
| Date | Domain | IP |
| blog.code4.hk | 2014-12-08 | 104.28.2.96 |
| www.code4.hk | 2014-08-16 | 104.28.2.96 |