| Property | Value |
| Organization | 教育部对外汉语教学发展中心（国家汉办）（孔子学院总部 |
| gulei@hanban.org | |
| NameServer | ns2.chinese.cn |
| Date | IP Address |
| 2014-04-29 | 202.55.23.168 (ClassC) |
| 2015-03-04 | 173.205.10.72 (ClassC) |
| 2015-03-07 | 63.216.54.253 (ClassC) |
| 2015-03-10 | 184.51.147.75 (ClassC) |
| 2015-05-26 | 23.215.60.155 (ClassC) |
| 2016-12-01 | 23.63.226.233 (ClassC) |
| 2018-05-24 | 209.133.57.50 (ClassC) |
| 2018-05-24 | 209.133.57.11 (ClassC) |
| 2024-07-07 | 163.181.66.231 (ClassC) |
| 2024-08-03 | 47.246.24.228 (ClassC) |
| 2024-09-07 | 163.181.145.207 (ClassC) |
| 2025-01-19 | 8.48.85.246 (ClassC) |
| 2025-02-22 | 47.246.20.136 (ClassC) |
| 2025-04-11 | 8.38.121.248 (ClassC) |
| 2025-04-17 | 8.25.82.208 (ClassC) |
| 2025-04-28 | 47.246.22.200 (ClassC) |
| 2025-05-22 | 163.181.246.236 (ClassC) |
| 2025-07-22 | 155.102.130.190 (ClassC) |
| 2025-08-22 | 8.25.82.200 (ClassC) |
| 2025-09-07 | 47.246.20.175 (ClassC) |
| 2025-12-23 | 47.246.20.188 (ClassC) |
| 2025-12-28 | 8.38.121.185 (ClassC) |
| 2026-02-14 | 43.174.224.254 (ClassC) |