| Date | IP Address |
| 2023-10-24 | 204.246.191.100 (ClassC) |
| 2023-11-01 | 204.246.191.96 (ClassC) |
| 2024-08-27 | 18.65.229.90 (ClassC) |
| 2025-01-09 | 204.246.191.108 (ClassC) |
| 2025-02-22 | 204.246.191.97 (ClassC) |
| 2025-03-08 | 52.84.162.53 (ClassC) |
| 2025-08-16 | 3.168.2.77 (ClassC) |
| 2025-12-15 | 3.169.173.120 (ClassC) |
| Date | Domain | IP |
| www.kenko-keiei.jp | 2023-11-01 | 204.246.191.97 |