| Date | IP Address |
| 2023-12-18 | 54.197.29.185 (ClassC) |
| 2025-08-06 | 52.207.27.208 (ClassC) |
| 2025-10-11 | 54.221.82.62 (ClassC) |
| 2025-11-16 | 3.95.73.238 (ClassC) |
| Date | Domain | IP |
| api.qa.plan.northwesternmutual.com | 2025-09-25 | 99.84.66.118 |
| mx.qa.plan.northwesternmutual.com | 2025-02-19 | 3.214.7.251 |
| api.plan.northwesternmutual.com | 2025-02-21 | 13.224.14.55 |
| int.plan.northwesternmutual.com | 2024-12-22 | 108.138.94.112 |
| mx.int.plan.northwesternmutual.com | 2025-08-06 | 52.207.27.208 |
| mx.plan.northwesternmutual.com | 2025-08-04 | 35.174.142.133 |