| Date | IP Address |
| 2019-11-06 | 35.163.21.150 (ClassC) |
| 2023-08-26 | 54.189.196.204 (ClassC) |
| 2023-12-12 | 52.35.175.203 (ClassC) |
| 2024-04-30 | 52.39.88.103 (ClassC) |
| 2024-05-08 | 52.12.148.79 (ClassC) |
| 2024-05-26 | 52.11.50.56 (ClassC) |
| 2024-07-12 | 52.40.108.121 (ClassC) |
| 2024-08-31 | 54.187.123.161 (ClassC) |
| 2024-09-14 | 44.236.215.57 (ClassC) |
| 2024-10-01 | 54.187.227.3 (ClassC) |
| 2024-10-18 | 44.236.112.235 (ClassC) |
| 2024-10-31 | 35.83.24.73 (ClassC) |
| 2024-11-25 | 52.24.239.26 (ClassC) |
| 2025-01-07 | 44.233.217.254 (ClassC) |
| 2025-01-16 | 34.214.129.28 (ClassC) |
| 2025-02-11 | 52.26.28.167 (ClassC) |
| 2025-02-20 | 52.36.66.54 (ClassC) |
| 2025-04-22 | 100.20.93.38 (ClassC) |
| 2025-06-26 | 44.224.83.121 (ClassC) |
| 2025-08-05 | 35.162.247.241 (ClassC) |
| 2025-08-31 | 54.185.35.94 (ClassC) |
| 2025-09-06 | 44.235.124.123 (ClassC) |
| 2025-11-04 | 44.252.245.36 (ClassC) |
| 2026-02-01 | 16.144.147.186 (ClassC) |
| Date | Domain | IP |
| uat.amgen.com.tw | 2024-11-25 | 44.229.25.154 |
| www.amgen.com.tw | 2024-11-25 | 52.24.239.26 |