| Date | IP Address |
| 2014-07-11 | 198.61.253.48 (ClassC) |
| 2017-12-27 | 52.72.180.190 (ClassC) |
| 2025-04-21 | 34.102.239.211 (ClassC) |
| 2025-08-25 | 34.110.180.34 (ClassC) |
| Date | Domain | IP |
| pasture.heifer.org | 2014-05-26 | 66.235.138.19 |
| fundraise.heifer.org | 2025-01-12 | 104.18.124.73 |
| 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 |
| www.heifer.org | 2024-11-25 | 146.75.41.91 |
| email.noreply.heifer.org | 2025-04-21 | 34.102.239.211 |