| Date | IP Address |
| 2009-10-26 | 220.90.126.156 (ClassC) |
| 2018-06-02 | 52.78.40.242 (ClassC) |
| 2018-06-07 | 13.209.32.228 (ClassC) |
| 2020-07-02 | 13.125.71.224 (ClassC) |
| 2021-07-25 | 65.8.158.38 (ClassC) |
| 2024-12-27 | 204.246.191.127 (ClassC) |
| 2025-01-26 | 3.163.165.72 (ClassC) |
| 2025-02-28 | 204.246.191.32 (ClassC) |
| 2025-04-16 | 204.246.191.122 (ClassC) |
| 2025-08-12 | 18.161.6.111 (ClassC) |
| 2025-09-20 | 204.246.191.42 (ClassC) |
| 2025-10-31 | 3.169.173.3 (ClassC) |
| 2026-01-22 | 3.169.173.126 (ClassC) |
| Date | Domain | IP |
| www.npnet.co.kr | 2024-10-04 | 204.246.191.127 |