| Date | IP Address |
| 2020-07-01 | 13.35.101.104 (ClassC) |
| 2021-06-03 | 52.85.61.37 (ClassC) |
| 2024-03-20 | 99.84.66.8 (ClassC) |
| 2024-07-08 | 99.84.66.5 (ClassC) |
| 2025-06-26 | 99.84.66.48 (ClassC) |
| 2025-09-22 | 3.169.173.10 (ClassC) |
| 2025-09-25 | 52.85.129.38 (ClassC) |
| Date | Domain | IP |
| api.optoutpreference.org | 2024-06-06 | 3.163.24.56 |
| www.optoutpreference.org | 2024-03-20 | 99.84.66.8 |