| Date | IP Address |
| 2019-12-20 | 103.233.82.120 (ClassC) |
| 2020-02-22 | 119.148.160.92 (ClassC) |
| 2020-04-16 | 211.144.80.108 (ClassC) |
| 2020-05-14 | 119.97.172.144 (ClassC) |
| 2020-06-17 | 38.39.243.85 (ClassC) |
| 2021-07-28 | 204.11.56.48 (ClassC) |
| 2023-12-18 | 162.209.175.126 (ClassC) |
| 2024-08-07 | 162.209.175.125 (ClassC) |
| 2024-08-30 | 192.151.224.189 (ClassC) |
| 2026-02-03 | 162.209.175.124 (ClassC) |
| Date | Domain | IP |
| www.551pi.com | 2024-08-18 | 162.209.175.125 |