| Date | IP Address |
| 2014-11-27 | 216.119.209.64 (ClassC) |
| 2023-08-26 | 104.100.55.202 (ClassC) |
| 2023-12-25 | 23.49.132.118 (ClassC) |
| 2023-12-30 | 23.12.3.210 (ClassC) |
| 2024-01-15 | 23.64.51.64 (ClassC) |
| 2024-02-21 | 23.196.205.50 (ClassC) |
| 2024-04-12 | 23.195.227.208 (ClassC) |
| 2024-07-25 | 23.48.185.242 (ClassC) |
| 2024-08-11 | 23.56.125.7 (ClassC) |
| 2025-01-20 | 23.6.240.156 (ClassC) |
| 2025-02-28 | 184.25.63.196 (ClassC) |
| 2025-03-15 | 23.6.99.143 (ClassC) |
| 2025-09-05 | 23.198.144.199 (ClassC) |
| 2025-09-14 | 92.123.202.230 (ClassC) |
| 2026-01-11 | 184.25.63.65 (ClassC) |
| Date | Domain | IP |
| stage.mastercard.de | 2023-08-25 | 23.209.31.61 |
| mtf.mastercard.de | 2023-08-25 | 23.56.190.34 |
| www.mastercard.de | 2024-08-11 | 96.17.220.173 |