| Date | IP Address |
| 2024-12-27 | 89.162.189.51 (ClassC) |
| Date | Domain | IP |
| sipexternal.corum.com | 2024-12-06 | 89.162.189.53 |
| mail.corum.com | 2024-12-05 | 89.162.148.116 |
| webcon.corum.com | 2024-12-27 | 89.162.189.51 |
| sip.corum.com | 2024-11-30 | 89.162.189.50 |
| autodiscover.corum.com | 2024-12-03 | 89.162.148.117 |
| endpoint.corum.com | 2023-08-25 | 20.95.73.77 |
| av.corum.com | 2024-11-21 | 89.162.189.52 |
| www.corum.com | 2024-12-05 | 172.67.210.56 |