| Date | IP Address |
| 2021-07-11 | 13.226.188.4 (ClassC) |
| 2021-07-11 | 13.226.188.66 (ClassC) |
| 2024-10-23 | 18.238.217.114 (ClassC) |
| 2024-11-28 | 52.84.162.96 (ClassC) |
| 2025-07-11 | 3.163.24.62 (ClassC) |
| 2025-10-22 | 23.219.78.199 (ClassC) |
| 2026-01-23 | 23.216.147.8 (ClassC) |
| Date | Domain | IP |
| nn4en-server.paperdb.com | 2025-11-24 | 184.30.150.37 |
| nn4en-client.paperdb.com | 2024-10-23 | 18.238.217.114 |