| Date | IP Address |
| 2014-04-23 | 199.134.162.30 (ClassC) |
| 2015-08-31 | 199.134.208.113 (ClassC) |
| 2024-08-24 | 199.134.76.27 (ClassC) |
| 2025-06-13 | 199.134.210.21 (ClassC) |
| 2025-10-02 | 199.134.75.244 (ClassC) |
| Date | Domain | IP |
| api.eauth.usda.gov | 2025-07-31 | 199.134.75.62 |
| www.cert.eauth.usda.gov | 2014-04-23 | 199.134.162.30 |