| Date | IP Address |
| 2017-05-13 | 34.206.41.77 (ClassC) |
| 2022-07-01 | 52.205.6.164 (ClassC) |
| 2025-08-17 | 18.161.6.60 (ClassC) |
| 2025-09-01 | 18.161.6.67 (ClassC) |
| 2026-01-10 | 18.161.6.64 (ClassC) |
| Date | Domain | IP |
| o365-docs.spanningbackup.com | 2025-08-17 | 18.161.6.60 |
| o365-us.spanningbackup.com | 2024-07-08 | 52.22.63.185 |
| o365-eu.spanningbackup.com | 2025-10-01 | 3.169.173.82 |
| o365-api-eu.spanningbackup.com | 2025-11-30 | 3.163.24.108 |