| Date | IP Address |
| 2016-04-15 | 54.231.16.156 (ClassC) |
| 2016-06-16 | 54.231.16.212 (ClassC) |
| 2024-05-18 | 52.217.107.43 (ClassC) |
| 2024-07-26 | 52.216.108.170 (ClassC) |
| 2024-08-20 | 52.217.100.51 (ClassC) |
| 2024-10-05 | 3.5.22.192 (ClassC) |
| 2024-10-24 | 52.217.228.37 (ClassC) |
| 2024-11-24 | 52.217.87.75 (ClassC) |
| 2025-01-09 | 54.231.197.221 (ClassC) |
| 2025-01-30 | 3.5.24.125 (ClassC) |
| 2025-02-11 | 54.231.172.133 (ClassC) |
| 2025-04-13 | 16.15.177.94 (ClassC) |
| 2025-06-05 | 54.231.233.29 (ClassC) |
| 2025-08-22 | 16.15.196.185 (ClassC) |
| 2025-11-15 | 52.216.186.234 (ClassC) |
| 2026-02-15 | 16.15.191.67 (ClassC) |
| 2026-02-22 | 16.182.102.45 (ClassC) |
| Date | Domain | IP |
| cdn-qa.retrotax-aci.com | 2025-01-11 | 18.65.229.52 |
| api-staging.retrotax-aci.com | 2024-07-19 | 18.161.6.9 |
| api.retrotax-aci.com | 2024-03-04 | 204.246.191.32 |
| www.retrotax-aci.com | 2025-01-10 | 13.224.14.109 |