| Property | Value |
| webmaster@costargroup.com | |
| NameServer | NS2.COSTAR.COM |
| Created | 1996-09-02 00:00:00 |
| Changed | 2014-09-19 00:00:00 |
| Expires | 2015-11-03 00:00:00 |
| Registrar | MARKMONITOR INC. |
| Date | IP Address |
| 2018-07-17 | 204.93.46.8 (ClassC) |
| 2018-10-01 | 104.91.167.95 (ClassC) |
| 2018-10-01 | 104.91.167.58 (ClassC) |
| 2018-11-27 | 23.56.175.168 (ClassC) |
| 2019-02-08 | 23.3.97.195 (ClassC) |
| 2019-06-08 | 23.42.158.34 (ClassC) |
| 2019-07-12 | 23.220.96.56 (ClassC) |
| 2019-10-07 | 23.220.96.32 (ClassC) |
| 2020-05-12 | 23.45.183.231 (ClassC) |
| 2020-07-22 | 23.35.71.179 (ClassC) |
| 2020-09-08 | 172.232.21.35 (ClassC) |
| 2020-11-10 | 184.26.95.67 (ClassC) |
| 2020-11-11 | 104.124.56.105 (ClassC) |
| 2021-01-08 | 172.232.14.171 (ClassC) |
| 2021-02-15 | 23.35.71.192 (ClassC) |
| 2022-05-11 | 23.33.22.7 (ClassC) |
| 2023-02-20 | 23.56.99.40 (ClassC) |
| 2024-07-04 | 104.70.127.15 (ClassC) |
| 2024-07-13 | 23.55.167.26 (ClassC) |
| 2024-07-19 | 23.46.228.171 (ClassC) |
| 2024-08-18 | 23.46.17.9 (ClassC) |
| 2024-10-01 | 23.46.228.179 (ClassC) |
| 2024-10-11 | 23.54.19.201 (ClassC) |
| 2024-11-05 | 23.46.17.18 (ClassC) |