| Date | IP Address |
| 2018-02-20 | 23.201.93.209 (ClassC) |
| 2023-08-26 | 104.119.90.19 (ClassC) |
| 2024-04-30 | 92.122.14.247 (ClassC) |
| 2024-08-10 | 23.56.124.25 (ClassC) |
| 2024-11-07 | 104.100.53.222 (ClassC) |
| 2025-11-15 | 23.198.145.166 (ClassC) |
| 2026-01-28 | 184.25.62.82 (ClassC) |
| Date | Domain | IP |
| ds2.yuden.co.jp | 2023-08-26 | 104.119.90.19 |
| ds3.yuden.co.jp | 2023-08-26 | 104.119.90.19 |
| ds.yuden.co.jp | 2023-08-26 | 104.119.90.19 |
| www.yuden.co.jp | 2023-08-26 | 104.119.90.19 |