| Date | IP Address |
| 2021-01-23 | 52.44.76.113 (ClassC) |
| 2022-04-04 | 54.160.178.155 (ClassC) |
| 2022-07-05 | 52.54.10.16 (ClassC) |
| 2025-10-20 | 146.75.41.91 (ClassC) |
| 2026-01-18 | 151.101.21.91 (ClassC) |
| Date | Domain | IP |
| media.heifer.org | 2025-10-27 | 18.204.248.32 |
| pasture.heifer.org | 2014-05-26 | 66.235.138.19 |
| fundraise.heifer.org | 2025-09-01 | 104.18.197.95 |
| api.heifer.org | 2024-11-12 | 34.196.122.195 |
| action.heifer.org | 2024-02-15 | 3.141.96.53 |
| cms.heifer.org | 2024-09-25 | 3.88.44.145 |
| act.heifer.org | 2024-02-28 | 52.9.166.110 |
| image.support.heifer.org | 2025-11-17 | 23.213.34.78 |
| www.heifer.org | 2025-10-20 | 146.75.41.91 |
| email.noreply.heifer.org | 2025-04-21 | 34.102.239.211 |