| 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 |
| 2018-11-17 | 23.208.166.18 (ClassC) |
| 2018-11-17 | 96.17.177.11 (ClassC) |
| 2018-12-26 | 23.50.52.155 (ClassC) |
| 2018-12-29 | 23.50.52.72 (ClassC) |
| 2018-12-29 | 23.215.104.168 (ClassC) |
| 2020-10-13 | 23.35.70.152 (ClassC) |
| 2020-10-13 | 23.35.70.154 (ClassC) |
| 2022-06-21 | 23.35.68.11 (ClassC) |
| 2024-06-11 | 23.38.194.40 (ClassC) |
| 2024-06-15 | 23.213.34.144 (ClassC) |
| 2024-06-28 | 23.206.171.11 (ClassC) |
| 2024-07-12 | 23.216.147.15 (ClassC) |
| 2024-07-19 | 23.219.78.175 (ClassC) |
| 2024-08-28 | 104.96.203.10 (ClassC) |
| 2024-10-01 | 23.213.175.186 (ClassC) |
| 2024-10-11 | 23.213.34.164 (ClassC) |
| 2024-11-05 | 23.213.175.24 (ClassC) |