| Property | Value |
| webmaster@costargroup.com | |
| NameServer | NS2.NCI.COM |
| Created | 1998-10-06 00:00:00 |
| Changed | 2015-08-25 00:00:00 |
| Expires | 2019-10-05 00:00:00 |
| Registrar | MARKMONITOR INC. |
| Date | IP Address |
| 2016-01-18 | 173.205.10.89 (ClassC) |
| 2016-03-18 | 184.86.240.162 (ClassC) |
| 2016-03-19 | 184.86.240.160 (ClassC) |
| 2016-05-17 | 23.74.9.222 (ClassC) |
| 2016-05-23 | 23.74.9.224 (ClassC) |
| 2016-06-20 | 67.135.105.232 (ClassC) |
| 2016-07-13 | 67.135.105.194 (ClassC) |
| 2016-09-30 | 23.215.104.152 (ClassC) |
| 2023-08-25 | 2.19.141.140 (ClassC) |
| 2024-02-29 | 104.81.185.245 (ClassC) |
| 2024-07-16 | 23.37.221.212 (ClassC) |
| 2024-07-23 | 184.24.205.193 (ClassC) |
| 2024-07-30 | 23.48.179.245 (ClassC) |
| 2024-12-20 | 23.198.158.86 (ClassC) |
| 2024-12-25 | 88.221.157.130 (ClassC) |