| Date | IP Address |
| 2024-04-19 | 23.202.207.93 (ClassC) |
| 2024-07-30 | 23.37.109.29 (ClassC) |
| 2024-10-28 | 23.196.148.48 (ClassC) |
| 2024-12-27 | 23.196.197.67 (ClassC) |
| 2025-08-03 | 104.92.254.28 (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 | 2024-12-16 | 23.44.254.179 |