| 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 |
| 2024-11-25 | 104.70.127.17 (ClassC) |
| 2025-11-20 | 23.216.147.203 (ClassC) |
| 2026-01-16 | 23.46.228.173 (ClassC) |