| Date | IP Address |
| 2023-08-25 | 23.209.29.157 (ClassC) |
| 2024-07-30 | 184.27.222.79 (ClassC) |
| 2024-09-18 | 23.223.222.83 (ClassC) |
| 2024-11-24 | 23.196.197.67 (ClassC) |
| 2025-01-16 | 23.196.148.48 (ClassC) |
| Date | Domain | IP |
| www1.mastercard.com.tw | 2023-08-25 | 23.196.194.63 |
| stage.mastercard.com.tw | 2023-08-25 | 23.209.31.61 |
| mtf.mastercard.com.tw | 2023-08-25 | 23.209.29.157 |
| www.mastercard.com.tw | 2024-08-18 | 23.6.110.165 |