| 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 |
| 2019-04-20 | 23.42.158.34 (ClassC) |
| 2019-07-12 | 23.220.96.56 (ClassC) |
| 2020-03-04 | 23.35.71.179 (ClassC) |
| 2020-05-12 | 23.45.183.231 (ClassC) |
| 2020-09-05 | 23.48.210.131 (ClassC) |
| 2020-11-10 | 184.26.95.67 (ClassC) |
| 2020-11-30 | 104.124.56.105 (ClassC) |
| 2021-02-15 | 23.35.71.192 (ClassC) |
| 2024-06-01 | 104.70.127.15 (ClassC) |
| 2024-07-13 | 23.46.17.18 (ClassC) |
| 2024-08-04 | 23.46.228.179 (ClassC) |
| 2024-10-01 | 23.46.17.9 (ClassC) |
| 2024-10-10 | 104.70.127.14 (ClassC) |
| 2024-11-05 | 23.46.228.168 (ClassC) |