| Date | IP Address |
| 2024-06-09 | 3.64.241.63 (ClassC) |
| 2024-08-31 | 52.58.95.117 (ClassC) |
| 2024-10-04 | 3.64.104.73 (ClassC) |
| 2025-01-08 | 3.124.148.119 (ClassC) |
| 2025-08-27 | 3.127.187.197 (ClassC) |
| 2025-09-29 | 3.120.114.165 (ClassC) |
| 2025-11-16 | 3.126.149.22 (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-03-api.attempt.signicat.io | 2025-11-02 | 18.192.139.251 |
| 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 |