| Date | IP Address |
| 2018-07-07 | 27.121.48.72 (ClassC) |
| 2019-04-14 | 101.102.235.60 (ClassC) |
| 2024-04-08 | 202.79.241.65 (ClassC) |
| 2024-11-26 | 202.247.51.70 (ClassC) |
| 2025-06-15 | 202.247.51.61 (ClassC) |
| 2025-08-12 | 111.108.184.71 (ClassC) |
| 2025-08-16 | 202.247.51.72 (ClassC) |
| 2025-08-20 | 101.102.235.70 (ClassC) |
| 2025-08-24 | 202.247.51.62 (ClassC) |
| Date | Domain | IP |
| dev.nbc-nagasaki.co.jp | 2025-04-19 | 111.108.184.62 |
| www.nbc-nagasaki.co.jp | 2024-11-26 | 202.247.51.70 |