| Date | IP Address |
| 2014-06-24 | 133.242.3.179 (ClassC) |
| 2024-04-14 | 133.167.7.4 (ClassC) |
| 2024-04-22 | 133.167.7.2 (ClassC) |
| 2024-05-02 | 133.167.25.4 (ClassC) |
| 2024-08-02 | 133.167.7.1 (ClassC) |
| 2024-09-10 | 133.167.25.1 (ClassC) |
| 2024-10-02 | 153.121.1.4 (ClassC) |
| 2024-10-05 | 133.167.7.3 (ClassC) |
| 2024-10-14 | 153.121.2.2 (ClassC) |
| 2024-11-03 | 153.121.1.1 (ClassC) |
| 2024-11-26 | 133.167.25.3 (ClassC) |
| 2024-12-06 | 153.121.2.3 (ClassC) |
| 2024-12-27 | 133.167.25.2 (ClassC) |
| 2024-12-30 | 153.121.1.2 (ClassC) |
| Date | Domain | IP |
| www.npn.co.jp | 2024-07-26 | 133.167.7.3 |