| Date | IP Address |
| 2024-10-18 | 75.2.16.51 (ClassC) |
| 2024-12-25 | 99.83.236.178 (ClassC) |
| Date | Domain | IP |
| click.email.msd-animal-health.ch | 2024-09-15 | 13.111.39.172 |
| view.email.msd-animal-health.ch | 2024-09-13 | 13.111.40.173 |
| fr.msd-animal-health.ch | 2024-12-08 | 192.0.66.103 |