| Date | IP Address |
| 2021-02-14 | 13.226.14.110 (ClassC) |
| 2024-09-15 | 18.155.202.17 (ClassC) |
| 2024-10-06 | 3.163.165.37 (ClassC) |
| 2024-11-21 | 3.163.24.117 (ClassC) |
| 2025-01-11 | 3.163.165.85 (ClassC) |
| 2025-02-11 | 3.163.24.28 (ClassC) |
| 2025-05-17 | 3.163.24.102 (ClassC) |
| 2025-05-27 | 3.163.165.74 (ClassC) |
| 2025-07-31 | 3.163.24.71 (ClassC) |
| 2025-10-16 | 3.169.173.16 (ClassC) |
| 2026-02-02 | 3.169.173.41 (ClassC) |
| Date | Domain | IP |
| cdn.c-notes.jp | 2024-11-07 | 3.163.24.102 |
| www.c-notes.jp | 2024-06-24 | 3.163.24.28 |