| Date | IP Address |
| 2024-11-26 | 199.60.103.131 (ClassC) |
| 2025-06-15 | 199.60.103.31 (ClassC) |
| 2025-08-17 | 151.101.131.10 (ClassC) |
| 2025-09-25 | 151.101.3.10 (ClassC) |
| 2026-01-06 | 151.101.67.10 (ClassC) |
| Date | Domain | IP |
| ondemand.massgeneralbrighamhealthplan.org | 2025-07-03 | 13.82.199.219 |
| www.massgeneralbrighamhealthplan.org | 2024-11-26 | 199.60.103.29 |