| 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 |
| 2022-01-19 | 23.66.127.200 (ClassC) |
| 2022-05-10 | 23.64.114.143 (ClassC) |
| 2022-09-21 | 184.27.215.65 (ClassC) |
| 2024-09-07 | 23.56.168.49 (ClassC) |
| 2024-11-25 | 23.46.17.64 (ClassC) |
| 2024-11-30 | 23.54.19.123 (ClassC) |
| 2025-02-18 | 23.46.228.179 (ClassC) |
| 2025-03-18 | 23.46.228.165 (ClassC) |
| 2025-03-30 | 23.55.111.139 (ClassC) |
| 2025-07-18 | 23.216.147.204 (ClassC) |
| 2025-08-09 | 23.216.147.201 (ClassC) |