| Date | IP Address |
| 2024-09-22 | 143.110.248.22 (ClassC) |
| 2025-05-20 | 91.108.107.137 (ClassC) |
| 2026-02-19 | 193.203.185.87 (ClassC) |
| Date | Domain | IP |
| internal-auth.card91.io | 2024-08-20 | 3.163.24.16 |
| api.card91.io | 2025-09-23 | 3.6.168.123 |
| admin.card91.io | 2025-11-22 | 13.127.11.92 |
| devops.card91.io | 2025-09-22 | 15.206.3.4 |
| api-sandbox.card91.io | 2025-11-09 | 35.154.84.118 |
| app-sandbox.card91.io | 2025-11-22 | 13.235.205.99 |