| Date | IP Address |
| 2024-06-09 | 52.58.132.235 (ClassC) |
| 2024-08-15 | 3.127.53.185 (ClassC) |
| 2024-10-04 | 3.75.43.141 (ClassC) |
| 2024-12-25 | 18.196.150.165 (ClassC) |
| 2025-05-11 | 18.196.243.222 (ClassC) |
| 2025-06-16 | 18.158.8.223 (ClassC) |
| 2025-07-08 | 52.58.136.7 (ClassC) |
| 2025-07-22 | 18.159.16.83 (ClassC) |
| Date | Domain | IP |
| web.attempt.signicat.io | 2025-01-08 | 99.84.66.47 |
| api.attempt.signicat.io | 2024-06-09 | 3.64.241.63 |
| dev-04-api.attempt.signicat.io | 2024-07-22 | 35.157.24.127 |
| dev-05-api.attempt.signicat.io | 2024-06-09 | 52.58.132.235 |
| test-api.attempt.signicat.io | 2024-07-22 | 52.58.241.165 |
| dev-api.attempt.signicat.io | 2024-06-09 | 52.57.175.45 |