| Date | IP Address |
| 2021-09-21 | 54.192.131.11 (ClassC) |
| 2024-09-02 | 204.246.191.91 (ClassC) |
| 2025-02-06 | 3.163.165.35 (ClassC) |
| Date | Domain | IP |
| beta.secureattach.email.amazon.dev | 2024-11-13 | 3.163.24.111 |
| api.us-west-2.secure-attach.perimeter.email.amazon.dev | 2024-06-09 | 34.210.176.77 |
| api.us-east-1.gamma.secure-attach.perimeter.email.amazon.dev | 2025-01-07 | 54.197.231.146 |
| beta.secure-attach.perimeter.email.amazon.dev | 2024-11-13 | 107.21.231.239 |
| api.us-east-1.beta.secure-attach.perimeter.email.amazon.dev | 2024-12-05 | 34.196.255.188 |
| alpha.list.email.amazon.dev | 2024-03-10 | 3.33.234.54 |
| beta.list.email.amazon.dev | 2024-02-21 | 13.248.146.4 |
| beta-dub.list.email.amazon.dev | 2024-02-21 | 52.19.56.45 |
| alpha-pdx.list.email.amazon.dev | 2024-12-19 | 52.13.90.244 |
| beta.unity.email.amazon.dev | 2024-09-02 | 204.246.191.91 |