| Date | IP Address |
| 2019-10-05 | 23.201.77.16 (ClassC) |
| 2020-08-26 | 104.78.125.192 (ClassC) |
| 2024-09-13 | 23.198.111.155 (ClassC) |
| 2024-12-12 | 23.44.254.179 (ClassC) |
| 2026-02-13 | 23.6.110.165 (ClassC) |
| Date | Domain | IP |
| isencaoderolha.mastercard.com.br | 2024-11-25 | 104.70.127.60 |
| image.e.mastercard.com.br | 2024-08-24 | 23.53.122.140 |
| click.e.mastercard.com.br | 2024-11-03 | 23.216.145.137 |
| stage.mastercard.com.br | 2024-04-12 | 23.37.209.91 |
| mtf.mastercard.com.br | 2024-04-19 | 23.202.207.93 |
| connect-server.stage.openbanking.mastercard.com.br | 2024-06-09 | 45.223.18.70 |
| enrollment.openbanking.mastercard.com.br | 2024-05-14 | 45.223.18.70 |
| t3.communications.mastercard.com.br | 2024-10-11 | 34.215.1.148 |
| www.mastercard.com.br | 2024-09-13 | 23.198.111.155 |