| 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) |
| 2022-10-20 | 23.220.144.133 (ClassC) |
| 2024-06-21 | 23.46.17.33 (ClassC) |
| 2024-06-27 | 23.47.72.6 (ClassC) |
| 2024-07-04 | 23.192.230.83 (ClassC) |
| 2024-07-19 | 23.46.17.30 (ClassC) |
| 2024-07-22 | 184.30.150.113 (ClassC) |
| 2024-09-09 | 23.54.19.105 (ClassC) |
| 2025-01-21 | 23.46.228.175 (ClassC) |
| 2025-04-11 | 23.46.228.169 (ClassC) |