| Date | IP Address |
| 2014-11-21 | 138.91.0.30 (ClassC) |
| 2023-08-27 | 18.176.249.122 (ClassC) |
| 2023-10-27 | 52.192.178.132 (ClassC) |
| 2024-08-29 | 54.249.62.243 (ClassC) |
| 2024-10-05 | 57.181.43.33 (ClassC) |
| 2024-11-24 | 13.112.95.123 (ClassC) |
| 2024-12-27 | 52.198.222.60 (ClassC) |
| 2025-02-12 | 57.180.142.94 (ClassC) |
| 2025-02-26 | 57.181.110.7 (ClassC) |
| 2025-03-23 | 35.72.212.145 (ClassC) |
| Date | Domain | IP |
| pvi.preferred-networks.jp | 2024-09-14 | 18.161.6.26 |
| www.preferred-networks.jp | 2023-10-27 | 52.192.178.132 |