| Date | IP Address |
| 2023-05-25 | 44.228.186.15 (ClassC) |
| 2024-08-05 | 54.218.218.163 (ClassC) |
| 2024-11-26 | 35.167.207.206 (ClassC) |
| 2025-01-16 | 54.69.189.125 (ClassC) |
| 2025-03-04 | 34.210.99.96 (ClassC) |
| 2025-05-04 | 44.237.131.246 (ClassC) |
| 2025-05-18 | 44.236.138.131 (ClassC) |
| 2025-05-27 | 50.112.172.168 (ClassC) |
| 2025-06-20 | 54.244.227.207 (ClassC) |
| 2025-07-25 | 52.25.92.12 (ClassC) |
| 2025-08-29 | 35.166.70.30 (ClassC) |
| 2026-01-07 | 44.229.152.124 (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 |