| Property | Value |
| Organization | 华语教学出版社有限责任公司 |
| pengbo218@126.com | |
| NameServer | ns2.east.net.cn |
| Date | IP Address |
| 2016-04-18 | 118.244.132.144 (ClassC) |
| 2018-06-03 | 115.47.120.14 (ClassC) |
| 2026-01-16 | 47.91.130.55 (ClassC) |
| Date | Domain | IP |
| virtual-library.sinolingua.com.cn | 2025-03-05 | 76.223.34.22 |