| Property | Value |
| webmaster@costargroup.com | |
| NameServer | NS2.COSTAR.COM |
| Created | 2010-02-21 00:00:00 |
| Changed | 2016-03-18 00:00:00 |
| Expires | 2017-02-21 00:00:00 |
| Registrar | MARKMONITOR INC. |
| Date | IP Address |
| 2023-08-26 | 104.100.74.52 (ClassC) |
| 2024-04-13 | 23.222.152.59 (ClassC) |
| 2024-07-13 | 104.90.243.58 (ClassC) |
| 2024-11-25 | 23.44.250.174 (ClassC) |
| 2025-01-10 | 23.198.167.109 (ClassC) |