| Property | Value |
| Organization | 北京普瑞伯德信息技术有限公司 |
| bookdomain@namerich.cn | |
| NameServer | ns2.yiyu.com |
| Date | IP Address |
| 2024-04-19 | 154.208.121.199 (ClassC) |
| 2024-09-09 | 154.218.121.177 (ClassC) |
| 2025-01-06 | 154.208.193.249 (ClassC) |
| 2025-02-13 | 75.2.18.233 (ClassC) |
| 2025-03-16 | 8.217.189.1 (ClassC) |