| Date | IP Address |
| 2022-09-19 | 18.190.46.47 (ClassC) |
| 2025-10-22 | 3.175.34.7 (ClassC) |
| 2025-12-16 | 3.175.34.21 (ClassC) |
| 2026-02-06 | 3.175.34.68 (ClassC) |
| Date | Domain | IP |
| guidewire-sre.grinnellmutual.com | 2025-10-21 | 3.163.24.12 |
| agentportal.grinnellmutual.com | 2023-08-15 | 3.132.66.108 |
| alert.grinnellmutual.com | 2023-08-15 | 104.18.23.66 |
| my.grinnellmutual.com | 2025-10-22 | 3.175.34.7 |