| Date | IP Address |
| 2025-01-02 | 54.166.179.204 (ClassC) |
| 2025-03-13 | 54.162.168.99 (ClassC) |
| 2025-04-14 | 54.174.94.159 (ClassC) |
| 2025-04-27 | 44.216.114.51 (ClassC) |
| 2025-06-04 | 34.231.159.152 (ClassC) |
| 2025-06-30 | 34.192.66.34 (ClassC) |
| 2025-10-02 | 35.169.194.164 (ClassC) |
| 2025-10-30 | 44.197.40.47 (ClassC) |
| 2025-11-07 | 54.173.4.70 (ClassC) |
| 2026-01-09 | 13.217.73.181 (ClassC) |
| Date | Domain | IP |
| p.login.developer.express-scripts.com | 2024-11-25 | 44.208.229.144 |
| int.login.developer.express-scripts.com | 2024-12-01 | 3.234.87.122 |
| dev.login.developer.express-scripts.com | 2025-01-02 | 54.166.179.204 |