| Property | Value |
| Organization | 北京光速连通科贸有限公司 |
| 66@66.cn | |
| NameServer | ns2.dnsv2.com |
| Date | IP Address |
| 2013-11-09 | 42.121.43.4 (ClassC) |
| 2014-03-07 | 42.121.43.92 (ClassC) |
| 2014-10-03 | 42.121.43.244 (ClassC) |
| 2026-02-22 | 123.56.112.153 (ClassC) |
| Date | Domain | IP |
| dns2.66.cn | 2013-10-11 | 211.144.37.30 |
| dns6.66.cn | 2026-01-04 | 47.96.182.66 |
| dns9.66.cn | 2026-02-19 | 123.56.111.68 |
| www.66.cn | 2015-02-01 | 42.121.43.2 |