| Date | IP Address |
| 2022-11-28 | 13.227.219.49 (ClassC) |
| 2024-12-13 | 3.163.24.126 (ClassC) |
| 2025-07-11 | 3.175.34.23 (ClassC) |
| 2025-09-18 | 3.169.173.39 (ClassC) |
| 2026-02-10 | 3.169.173.58 (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 |