| Date | IP Address |
| 2024-04-09 | 3.214.135.111 (ClassC) |
| 2024-04-18 | 3.213.83.243 (ClassC) |
| 2024-06-09 | 54.85.125.64 (ClassC) |
| 2024-08-24 | 3.234.25.49 (ClassC) |
| 2024-09-10 | 23.21.154.47 (ClassC) |
| 2024-11-01 | 34.228.130.73 (ClassC) |
| 2024-11-22 | 34.200.49.178 (ClassC) |
| 2025-01-07 | 34.196.133.42 (ClassC) |
| 2025-01-15 | 52.54.107.40 (ClassC) |
| 2025-04-21 | 44.209.207.246 (ClassC) |
| 2025-06-16 | 3.234.185.15 (ClassC) |
| 2025-07-01 | 13.216.15.22 (ClassC) |
| 2025-07-04 | 52.21.167.186 (ClassC) |
| Date | Domain | IP |
| alpha.hopper.tax.amazon.dev | 2024-11-28 | 18.238.217.43 |
| beta.hopper.tax.amazon.dev | 2025-05-09 | 204.246.191.56 |
| api.beta.hopper.tax.amazon.dev | 2024-04-09 | 3.214.135.111 |
| api.mrttre.hopper.tax.amazon.dev | 2023-11-24 | 52.205.119.75 |
| apiv2.nickbray.hopper.tax.amazon.dev | 2024-06-07 | 3.163.24.124 |