| Date | IP Address |
| 2019-08-30 | 104.27.186.223 (ClassC) |
| 2025-12-12 | 172.67.165.188 (ClassC) |
| 2026-03-09 | 104.21.89.227 (ClassC) |
| Date | Domain | IP |
| devfest2016.gdghk.org | 2025-11-12 | 104.21.89.227 |
| devfest2017.gdghk.org | 2025-05-16 | 172.67.165.188 |
| devfest2018.gdghk.org | 2025-05-08 | 104.21.89.227 |