| Property | Value |
| webmaster@costargroup.com | |
| NameServer | NS2.COSTAR.COM |
| Created | 2003-03-07 00:00:00 |
| Changed | 2015-07-10 00:00:00 |
| Expires | 2019-03-07 00:00:00 |
| Registrar | MARKMONITOR INC. |
| Date | IP Address |
| 2023-08-26 | 104.96.163.212 (ClassC) |
| 2024-07-10 | 23.46.17.67 (ClassC) |
| 2024-08-02 | 23.46.228.173 (ClassC) |
| 2024-08-12 | 23.46.17.17 (ClassC) |
| 2024-11-18 | 104.70.127.10 (ClassC) |