| Date | IP Address |
| 2025-04-17 | 52.72.119.75 (ClassC) |
| 2025-07-13 | 54.208.230.139 (ClassC) |
| 2025-08-11 | 23.21.249.206 (ClassC) |
| 2025-09-07 | 34.198.115.74 (ClassC) |
| 2025-10-22 | 52.20.64.164 (ClassC) |
| 2025-11-18 | 52.4.250.205 (ClassC) |
| Date | Domain | IP |
| learn.pimsleur.com | 2024-11-16 | 3.163.24.64 |
| shop.pimsleur.com | 2025-02-27 | 44.206.140.0 |
| refer.pimsleur.com | 2024-08-12 | 54.205.228.134 |
| b2b-uat.pimsleur.com | 2025-11-01 | 3.169.173.118 |
| portal-uat.pimsleur.com | 2024-08-18 | 18.161.6.78 |
| ecom-data-warehouse-api.twdev.pimsleur.com | 2025-07-13 | 54.208.230.139 |
| www.pimsleur.com | 2023-08-29 | 54.221.232.39 |