| Date | IP Address |
| 2025-07-22 | 20.253.200.152 (ClassC) |
| Date | Domain | IP |
| api.msa.diagnostics.office.com | 2023-09-29 | 20.245.134.236 |
| data.diagnostics.office.com | 2023-08-31 | 20.232.207.245 |
| supportexperience.diagnostics.office.com | 2024-01-16 | 13.107.213.70 |
| logging.diagnostics.office.com | 2023-10-04 | 20.232.207.245 |
| api.diagnostics.office.com | 2023-10-04 | 20.245.134.236 |
| portal.diagnostics.office.com | 2023-08-26 | 40.71.123.172 |
| priv.portal.diagnostics.office.com | 2025-07-22 | 20.253.200.152 |
| cjs.diagnostics.office.com | 2024-05-21 | 13.107.213.70 |
| incidents.diagnostics.office.com | 2023-09-29 | 20.245.203.246 |
| entitlement.diagnostics.office.com | 2023-09-29 | 20.245.7.142 |