| Date | IP Address |
| 2023-07-26 | 129.226.106.19 (ClassC) |
| 2025-11-29 | 47.251.114.68 (ClassC) |
| Date | Domain | IP |
| mail.21wecan.com | 2025-11-29 | 47.251.114.68 |
| exam.21wecan.com | 2025-10-23 | 117.50.42.32 |
| cdn.wechat.21wecan.com | 2025-03-28 | 140.150.36.51 |
| www.21wecan.com | 2024-11-23 | 14.29.101.160 |