| Date | IP Address |
| 2019-12-20 | 103.233.82.120 (ClassC) |
| 2020-01-23 | 185.238.251.69 (ClassC) |
| 2020-02-08 | 122.228.211.154 (ClassC) |
| 2020-02-10 | 38.143.8.101 (ClassC) |
| 2020-02-19 | 119.147.214.23 (ClassC) |
| 2020-04-14 | 113.57.219.52 (ClassC) |
| 2020-06-17 | 38.39.243.85 (ClassC) |
| 2023-12-19 | 162.209.175.126 (ClassC) |
| 2024-08-07 | 162.209.175.125 (ClassC) |
| 2026-01-07 | 162.209.175.124 (ClassC) |
| Date | Domain | IP |
| www.551nu.com | 2025-04-28 | 162.209.175.124 |