| Property | Value |
| Organization | OPTiM Corporation |
| NameServer | ns1.dns.ne.jp |
| Created | 2000-07-21 00:00:00 |
| Changed | 2016-07-31 16:10:17 |
| Date | IP Address |
| 2018-06-08 | 54.230.51.129 (ClassC) |
| 2018-06-08 | 54.230.51.142 (ClassC) |
| 2018-06-08 | 54.230.51.17 (ClassC) |
| 2020-07-05 | 99.84.104.74 (ClassC) |
| 2020-07-05 | 99.84.104.93 (ClassC) |
| 2020-07-05 | 99.84.104.109 (ClassC) |
| 2024-08-17 | 18.161.6.8 (ClassC) |
| 2024-11-20 | 3.163.158.53 (ClassC) |
| 2025-03-07 | 18.161.6.41 (ClassC) |
| 2025-03-31 | 18.161.6.39 (ClassC) |
| 2025-04-15 | 18.161.6.118 (ClassC) |
| 2025-05-25 | 3.163.158.71 (ClassC) |
| 2025-07-12 | 3.175.34.52 (ClassC) |
| 2025-08-01 | 3.175.34.50 (ClassC) |
| 2026-03-09 | 3.175.34.60 (ClassC) |
| Date | Domain | IP |
| cdn-unlimited-contents-dev1.optim.co.jp | 2025-06-20 | 153.121.1.3 |
| admin-securesync.optim.co.jp | 2025-09-07 | 57.181.148.91 |
| biz3-cdn.optim.co.jp | 2024-08-17 | 18.161.6.8 |
| drive-cdn.optim.co.jp | 2022-07-17 | 108.159.227.107 |
| biz3demo-cdn.optim.co.jp | 2024-08-01 | 52.84.162.124 |
| biztw.optim.co.jp | 2025-12-16 | 75.2.124.39 |
| download.biztw.optim.co.jp | 2025-03-23 | 3.163.24.128 |
| www.optim.co.jp | 2025-03-04 | 153.125.235.56 |