| Date | IP Address |
| 2025-10-25 | 199.193.207.99 (ClassC) |
| Date | Domain | IP |
| west-2fa.exch091.serverdata.net | 2025-08-11 | 199.193.207.107 |
| west.exch091.serverdata.net | 2025-05-24 | 199.193.207.99 |
| m.west.exch091.serverdata.net | 2025-10-25 | 199.193.207.99 |
| out.exch091.serverdata.net | 2025-02-03 | 199.193.207.119 |
| smtp.mx.exch091.serverdata.net | 2025-08-26 | 64.78.24.70 |
| west.smtp.mx.exch091.serverdata.net | 2025-08-26 | 199.193.206.123 |