| Date | IP Address |
| 2021-09-22 | 13.32.143.29 (ClassC) |
| 2024-10-13 | 18.176.95.137 (ClassC) |
| 2025-02-08 | 52.195.108.254 (ClassC) |
| 2025-05-09 | 18.176.171.86 (ClassC) |
| 2025-06-25 | 54.248.96.134 (ClassC) |
| 2025-07-16 | 52.68.158.0 (ClassC) |
| 2025-09-05 | 43.206.17.107 (ClassC) |
| 2025-09-22 | 35.77.184.35 (ClassC) |
| 2025-10-19 | 52.198.249.70 (ClassC) |
| 2025-11-27 | 18.176.37.150 (ClassC) |
| Date | Domain | IP |
| ja.nc-net.or.jp | 2025-06-05 | 54.150.172.134 |
| mori.nc-net.or.jp | 2024-10-13 | 18.176.95.137 |
| beacon.nc-net.or.jp | 2025-04-30 | 3.163.24.68 |
| www.nc-net.or.jp | 2023-11-01 | 54.150.126.223 |