| Date | IP Address |
| 2024-06-09 | 34.204.39.133 (ClassC) |
| 2024-08-08 | 34.236.142.96 (ClassC) |
| 2024-08-14 | 3.231.1.171 (ClassC) |
| 2024-08-14 | 35.169.20.65 (ClassC) |
| 2024-08-14 | 34.233.247.31 (ClassC) |
| 2024-12-12 | 52.6.59.232 (ClassC) |
| 2025-01-26 | 23.22.244.204 (ClassC) |
| 2025-02-21 | 18.233.218.92 (ClassC) |
| 2025-03-18 | 34.199.43.160 (ClassC) |
| 2025-04-24 | 3.229.72.70 (ClassC) |
| 2025-04-29 | 52.21.102.139 (ClassC) |
| 2025-05-13 | 44.207.17.56 (ClassC) |
| 2025-07-12 | 44.223.210.69 (ClassC) |
| 2025-08-23 | 3.89.16.125 (ClassC) |
| 2025-10-17 | 54.226.157.104 (ClassC) |
| 2026-02-01 | 3.215.140.156 (ClassC) |
| 2026-02-08 | 44.210.46.255 (ClassC) |
| Date | Domain | IP |
| api.iqdia.retirement.staging.principal.com | 2024-04-23 | 34.199.225.42 |
| api-us-east-1.plan.retirement.staging.principal.com | 2025-11-21 | 52.45.85.101 |
| alb.ptp-student-loan-payments.retirement.staging.principal.com | 2024-11-24 | 3.209.203.16 |
| api.loantax.retirement.staging.principal.com | 2024-06-09 | 34.204.39.133 |