| Date | IP Address |
| 2025-06-06 | 34.210.186.191 (ClassC) |
| 2025-07-13 | 34.210.177.23 (ClassC) |
| 2025-08-01 | 35.160.126.250 (ClassC) |
| 2025-08-05 | 35.160.239.92 (ClassC) |
| 2025-10-24 | 52.33.151.47 (ClassC) |
| 2025-11-03 | 34.216.217.114 (ClassC) |
| Date | Domain | IP |
| cm.amgen.co.jp | 2024-04-12 | 54.213.105.231 |
| uat.cm.amgen.co.jp | 2025-10-20 | 35.81.104.173 |
| dev.cm.amgen.co.jp | 2025-01-16 | 54.69.189.125 |
| products.amgen.co.jp | 2025-07-13 | 34.210.177.23 |
| www.products.amgen.co.jp | 2025-09-16 | 44.242.7.231 |
| uat.amgen.co.jp | 2025-10-19 | 35.81.104.173 |
| dev.amgen.co.jp | 2025-01-21 | 35.165.148.237 |
| www.amgen.co.jp | 2024-04-14 | 52.41.13.147 |