| Date | IP Address |
| 2018-12-26 | 34.215.247.110 (ClassC) |
| 2025-03-02 | 52.39.230.111 (ClassC) |
| 2025-04-26 | 44.239.93.67 (ClassC) |
| 2025-05-12 | 52.11.153.26 (ClassC) |
| 2026-01-06 | 35.83.1.29 (ClassC) |
| Date | Domain | IP |
| res.e.genentech.com | 2025-04-30 | 3.163.24.109 |
| t.e.genentech.com | 2026-01-04 | 54.189.107.57 |
| m.info.genentech.com | 2025-01-12 | 52.33.20.206 |
| res.info.genentech.com | 2024-06-10 | 3.163.24.39 |
| t.info.genentech.com | 2025-03-02 | 52.39.230.111 |
| www.genentech.com | 2025-07-22 | 72.34.128.111 |