| Date | IP Address |
| 2019-09-20 | 104.114.5.29 (ClassC) |
| 2023-08-25 | 23.209.31.61 (ClassC) |
| 2024-09-30 | 23.196.200.60 (ClassC) |
| 2025-01-16 | 23.196.150.45 (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 |