| Date | IP Address |
| 2020-10-23 | 13.32.240.105 (ClassC) |
| 2023-09-01 | 13.249.74.30 (ClassC) |
| 2024-12-18 | 18.238.217.32 (ClassC) |
| 2025-03-27 | 99.84.66.92 (ClassC) |
| 2025-09-25 | 99.84.66.44 (ClassC) |
| Date | Domain | IP |
| canvas.d2cr.co.jp | 2024-02-18 | 204.246.191.64 |
| img-canvas.d2cr.co.jp | 2024-12-18 | 18.238.217.32 |
| www.d2cr.co.jp | 2025-05-16 | 204.246.191.122 |
| img-www.d2cr.co.jp | 2025-05-14 | 99.84.66.113 |
| r-ibrary.d2cr.co.jp | 2024-12-13 | 3.163.24.126 |