| 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 |
| 2019-07-12 | 23.220.96.56 (ClassC) |
| 2019-10-07 | 23.42.158.34 (ClassC) |
| 2020-03-04 | 23.35.71.152 (ClassC) |
| 2020-03-04 | 23.35.71.179 (ClassC) |
| 2020-05-12 | 23.45.183.231 (ClassC) |
| 2020-09-08 | 172.232.21.35 (ClassC) |
| 2020-11-01 | 23.35.71.64 (ClassC) |
| 2021-01-08 | 172.232.14.171 (ClassC) |
| 2021-02-25 | 23.53.34.35 (ClassC) |
| 2022-07-05 | 23.33.22.7 (ClassC) |
| 2022-07-27 | 23.200.156.79 (ClassC) |
| 2024-01-10 | 23.62.46.164 (ClassC) |
| 2024-03-14 | 23.55.167.33 (ClassC) |
| 2024-04-21 | 23.192.230.74 (ClassC) |
| 2024-06-02 | 23.46.17.44 (ClassC) |
| 2024-06-22 | 23.46.17.9 (ClassC) |
| 2024-07-04 | 104.70.127.15 (ClassC) |
| 2024-07-19 | 23.44.175.180 (ClassC) |
| 2024-08-04 | 23.46.17.18 (ClassC) |
| 2024-08-17 | 23.47.72.6 (ClassC) |
| 2024-08-18 | 23.54.19.201 (ClassC) |
| 2024-10-24 | 23.54.19.194 (ClassC) |
| 2024-12-06 | 23.46.228.171 (ClassC) |
| 2025-02-18 | 23.46.228.179 (ClassC) |
| 2025-04-30 | 23.46.228.175 (ClassC) |
| 2025-05-06 | 23.46.228.170 (ClassC) |