| Property | Value |
| webmaster@costargroup.com | |
| NameServer | NS-B.PNAP.NET |
| Created | 1995-07-29 00:00:00 |
| Changed | 2014-12-20 00:00:00 |
| Expires | 2017-07-28 00:00:00 |
| Registrar | MARKMONITOR INC. |
| Date | IP Address |
| 2021-12-22 | 23.66.127.174 (ClassC) |
| 2022-03-28 | 23.66.127.156 (ClassC) |
| 2022-04-08 | 172.232.13.33 (ClassC) |
| 2022-11-11 | 23.220.144.133 (ClassC) |
| 2023-04-12 | 184.27.215.65 (ClassC) |
| 2024-03-13 | 104.96.163.210 (ClassC) |
| 2024-03-26 | 184.28.93.8 (ClassC) |
| 2024-04-12 | 23.44.175.112 (ClassC) |
| 2024-05-02 | 23.46.17.40 (ClassC) |
| 2024-05-19 | 23.44.175.152 (ClassC) |
| 2024-06-09 | 23.46.17.33 (ClassC) |
| 2024-06-23 | 23.44.175.138 (ClassC) |
| 2024-06-27 | 23.47.72.6 (ClassC) |
| 2024-07-05 | 104.70.127.20 (ClassC) |
| 2024-08-04 | 23.46.17.31 (ClassC) |
| 2024-09-09 | 23.46.17.30 (ClassC) |
| 2024-12-08 | 23.46.228.169 (ClassC) |
| 2024-12-24 | 23.46.228.175 (ClassC) |