| Date | IP Address |
| 2020-10-23 | 8.43.229.62 (ClassC) |
| 2025-01-19 | 151.101.2.99 (ClassC) |
| 2025-04-26 | 151.101.194.99 (ClassC) |
| 2025-05-14 | 151.101.66.99 (ClassC) |
| 2025-07-31 | 151.101.130.99 (ClassC) |
| Date | Domain | IP |
| login2.weightwatchers.ch | 2025-12-17 | 146.75.42.99 |
| fr.weightwatchers.ch | 2025-04-09 | 151.101.2.99 |
| login2.fr.weightwatchers.ch | 2023-11-24 | 151.101.22.99 |
| www.weightwatchers.ch | 2025-04-24 | 146.75.42.99 |