| Date | IP Address |
| 2023-08-26 | 104.100.55.202 (ClassC) |
| 2024-02-21 | 23.196.205.50 (ClassC) |
| 2024-08-11 | 23.56.125.7 (ClassC) |
| 2025-01-10 | 92.123.202.230 (ClassC) |
| 2025-01-17 | 23.12.3.210 (ClassC) |
| 2025-01-28 | 23.6.240.156 (ClassC) |
| 2025-03-30 | 23.6.99.143 (ClassC) |
| 2025-04-23 | 184.25.63.196 (ClassC) |
| 2026-02-24 | 23.198.144.199 (ClassC) |
| Date | Domain | IP |
| stage.mastercard.bg | 2024-04-12 | 23.37.209.91 |
| mtf.mastercard.bg | 2024-02-21 | 23.209.29.157 |
| www.mastercard.bg | 2023-08-26 | 104.86.242.122 |