| 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 |
| 2020-04-23 | 23.10.248.24 (ClassC) |
| 2020-07-28 | 23.220.96.130 (ClassC) |
| 2020-07-28 | 23.220.96.224 (ClassC) |
| 2020-07-30 | 23.56.168.216 (ClassC) |
| 2022-01-19 | 23.66.127.200 (ClassC) |
| 2022-09-20 | 184.27.215.65 (ClassC) |
| 2024-04-12 | 23.192.230.85 (ClassC) |
| 2024-06-01 | 23.46.17.67 (ClassC) |
| 2024-07-03 | 104.70.127.48 (ClassC) |
| 2024-07-08 | 23.46.17.48 (ClassC) |
| 2024-08-03 | 23.46.17.6 (ClassC) |
| 2024-08-18 | 23.46.17.31 (ClassC) |
| 2024-10-21 | 23.54.19.144 (ClassC) |
| 2024-11-25 | 23.54.19.120 (ClassC) |
| 2025-02-19 | 23.46.228.168 (ClassC) |
| 2025-03-31 | 23.46.228.179 (ClassC) |
| 2025-05-02 | 104.100.168.153 (ClassC) |
| 2025-07-22 | 23.216.147.201 (ClassC) |