| Date | IP Address |
| 2019-12-16 | 104.114.5.29 (ClassC) |
| 2023-08-25 | 23.209.31.61 (ClassC) |
| 2024-04-20 | 184.24.32.115 (ClassC) |
| 2024-11-20 | 23.196.150.45 (ClassC) |
| Date | Domain | IP |
| www1.mastercard.com.hk | 2023-08-25 | 104.81.186.197 |
| stage.mastercard.com.hk | 2023-08-25 | 23.209.31.61 |
| mtf.mastercard.com.hk | 2024-04-19 | 23.202.207.93 |
| www.mastercard.com.hk | 2024-09-26 | 23.6.110.165 |