| Date | IP Address |
| 2021-01-09 | 99.84.214.34 (ClassC) |
| 2021-01-10 | 99.84.214.59 (ClassC) |
| 2021-01-16 | 99.84.214.54 (ClassC) |
| 2024-05-01 | 3.163.24.87 (ClassC) |
| 2024-06-15 | 3.163.24.84 (ClassC) |
| 2024-07-21 | 3.163.24.111 (ClassC) |
| 2024-10-27 | 108.138.159.14 (ClassC) |
| 2025-01-15 | 13.224.14.23 (ClassC) |
| 2025-08-10 | 49.212.243.172 (ClassC) |
| 2025-11-03 | 182.48.49.181 (ClassC) |
| Date | Domain | IP |
| stg.qrz.co.jp | 2025-10-06 | 49.212.243.172 |
| www.stg.qrz.co.jp | 2025-06-23 | 49.212.243.172 |