| Date | IP Address |
| 2022-08-14 | 52.89.106.154 (ClassC) |
| 2022-08-30 | 34.212.91.191 (ClassC) |
| 2023-04-22 | 35.83.206.142 (ClassC) |
| 2024-08-05 | 52.89.229.178 (ClassC) |
| 2024-11-26 | 44.240.139.219 (ClassC) |
| 2025-05-09 | 54.148.172.29 (ClassC) |
| 2025-10-20 | 35.81.104.173 (ClassC) |
| 2025-10-29 | 52.43.117.1 (ClassC) |
| 2025-11-09 | 52.88.232.187 (ClassC) |
| 2025-12-30 | 44.226.167.107 (ClassC) |
| 2026-01-10 | 52.26.125.3 (ClassC) |
| 2026-02-28 | 16.147.119.239 (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 |
| preview.amgen.co.jp | 2026-02-02 | 35.84.57.224 |
| www.amgen.co.jp | 2024-04-14 | 52.41.13.147 |