| Property | Value |
| webmaster@costargroup.com | |
| NameServer | NS2.COSTAR.COM |
| Created | 1996-09-02 00:00:00 |
| Changed | 2014-09-19 00:00:00 |
| Expires | 2015-11-03 00:00:00 |
| Registrar | MARKMONITOR INC. |
| Date | IP Address |
| 2021-12-22 | 23.66.127.174 (ClassC) |
| 2022-02-24 | 23.54.76.146 (ClassC) |
| 2022-03-28 | 184.27.215.65 (ClassC) |
| 2022-04-08 | 172.232.13.33 (ClassC) |
| 2022-07-10 | 23.66.127.156 (ClassC) |
| 2022-10-20 | 23.220.144.133 (ClassC) |
| 2024-06-06 | 23.46.17.55 (ClassC) |
| 2024-07-04 | 104.70.127.63 (ClassC) |
| 2024-08-04 | 23.46.228.169 (ClassC) |
| 2024-08-18 | 23.46.17.30 (ClassC) |
| 2024-10-08 | 23.46.17.33 (ClassC) |
| 2024-11-05 | 23.46.17.4 (ClassC) |