| Date | IP Address |
| 2024-02-21 | 99.84.66.63 (ClassC) |
| 2025-05-22 | 52.84.162.96 (ClassC) |
| 2025-07-10 | 99.84.66.34 (ClassC) |
| 2025-08-16 | 99.84.66.8 (ClassC) |
| 2025-11-02 | 3.169.173.19 (ClassC) |
| Date | Domain | IP |
| dmarc-report.sec.x-tech5.co.jp | 2025-02-25 | 18.161.6.98 |
| www.dmarc-report.sec.x-tech5.co.jp | 2025-05-22 | 3.163.158.38 |
| dev.x-tech5.co.jp | 2024-02-21 | 99.84.66.63 |
| www.x-tech5.co.jp | 2024-09-28 | 99.84.66.62 |