| 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) |
| 2022-10-20 | 23.220.144.146 (ClassC) |
| 2024-04-03 | 23.46.17.55 (ClassC) |
| 2024-04-22 | 23.46.17.31 (ClassC) |
| 2024-06-03 | 23.46.17.40 (ClassC) |
| 2024-06-27 | 23.47.72.6 (ClassC) |
| 2024-07-03 | 104.70.127.20 (ClassC) |
| 2024-08-18 | 23.46.17.30 (ClassC) |
| 2024-09-09 | 23.46.17.33 (ClassC) |
| 2024-09-14 | 23.56.99.9 (ClassC) |
| 2024-12-21 | 23.46.228.169 (ClassC) |
| 2025-01-19 | 23.46.228.175 (ClassC) |
| 2025-04-12 | 23.55.111.186 (ClassC) |
| 2025-05-08 | 23.216.147.204 (ClassC) |
| 2025-07-24 | 23.216.147.195 (ClassC) |