| Date | IP Address |
| 2015-06-30 | 155.91.26.4 (ClassC) |
| 2025-03-03 | 99.83.236.178 (ClassC) |
| 2025-04-09 | 75.2.16.51 (ClassC) |
| Date | Domain | IP |
| www93.merckvetmanual.com | 2024-03-10 | 18.161.6.6 |
| cf-www93.merckvetmanual.com | 2024-10-14 | 18.65.229.89 |
| cf-uat.merckvetmanual.com | 2024-02-23 | 3.163.24.52 |
| edit.merckvetmanual.com | 2024-10-02 | 20.185.77.180 |
| www.merckvetmanual.com | 2014-04-29 | 204.94.153.184 |