| Property | Value |
| Organization | Eisai Co., Ltd. |
| NameServer | ns2.index.jp |
| Created | 1994-03-17 00:00:00 |
| Changed | 2015-03-31 16:03:46 |
| Date | IP Address |
| 2015-12-09 | 54.238.150.88 (ClassC) |
| 2023-11-02 | 54.65.58.205 (ClassC) |
| 2024-03-31 | 54.95.131.192 (ClassC) |
| 2024-11-28 | 13.230.85.96 (ClassC) |
| 2025-01-04 | 3.165.160.102 (ClassC) |
| 2025-01-30 | 18.161.6.50 (ClassC) |
| Date | Domain | IP |
| edc.eisai.co.jp | 2024-04-03 | 18.182.121.181 |
| www.eisai.co.jp | 2024-03-31 | 54.95.131.192 |