| Date | IP Address |
| 2025-05-21 | 23.44.251.57 (ClassC) |
| 2025-07-09 | 23.37.222.133 (ClassC) |
| 2025-10-15 | 23.198.158.241 (ClassC) |
| 2026-01-14 | 2.19.142.49 (ClassC) |
| Date | Domain | IP |
| qa1.patheon.com | 2024-08-28 | 23.44.251.57 |
| dev1.patheon.com | 2025-05-21 | 23.44.251.57 |
| qa2.patheon.com | 2023-08-25 | 23.37.222.121 |
| dev2.patheon.com | 2024-10-28 | 23.44.251.57 |
| www-qa.patheon.com | 2024-06-30 | 23.37.222.121 |
| admin.patheon.com | 2023-08-25 | 23.37.222.121 |
| qa1-admin.patheon.com | 2023-08-25 | 23.37.222.121 |
| dev1-admin.patheon.com | 2024-09-10 | 23.37.222.121 |
| qa2-admin.patheon.com | 2024-09-03 | 23.44.251.57 |
| dev2-admin.patheon.com | 2023-08-25 | 23.37.222.121 |
| images.info.patheon.com | 2014-07-11 | 207.86.215.185 |
| ir.patheon.com | 2024-07-04 | 23.41.4.70 |
| www.patheon.com | 2023-08-25 | 23.37.222.121 |
| mysupply.patheon.com | 2024-09-15 | 3.163.24.6 |