| Date | IP Address |
| 2020-05-13 | 13.226.36.32 (ClassC) |
| 2020-05-13 | 13.227.47.63 (ClassC) |
| 2020-06-07 | 52.84.145.72 (ClassC) |
| 2020-06-07 | 52.84.145.73 (ClassC) |
| 2020-08-24 | 13.249.94.26 (ClassC) |
| 2020-08-24 | 13.249.94.105 (ClassC) |
| 2021-10-30 | 52.84.18.103 (ClassC) |
| 2021-10-30 | 13.249.13.22 (ClassC) |
| 2023-07-16 | 3.162.163.26 (ClassC) |
| 2024-11-20 | 3.165.160.35 (ClassC) |
| 2024-12-31 | 3.165.160.54 (ClassC) |
| 2025-02-17 | 18.161.6.59 (ClassC) |
| 2025-04-08 | 18.161.6.23 (ClassC) |
| 2025-06-01 | 3.175.34.26 (ClassC) |
| 2025-08-02 | 3.175.34.80 (ClassC) |
| Date | Domain | IP |
| ns6.chugai-pharm.co.jp | 2025-04-28 | 202.228.50.65 |
| cpmc.chugai-pharm.co.jp | 2024-11-20 | 3.165.160.35 |
| af2-web-dev.dfg.csi.chugai-pharm.co.jp | 2025-07-10 | 35.190.125.156 |
| cbs.chugai-pharm.co.jp | 2024-09-14 | 99.84.66.127 |
| cms.chugai-pharm.co.jp | 2024-07-11 | 3.163.24.29 |
| www.chugai-pharm.co.jp | 2024-02-28 | 99.86.38.116 |