| Property | Value |
| Name | CoStar Realty Information, Inc. |
| Organization | CoStar Realty Information, Inc. |
| webmaster@COSTARGROUP.COM | |
| Address | 1331 L Street, NW |
| Zip Code | 20005 |
| City | Washington |
| State | DC |
| Country | US |
| Phone | +1.9999999999 |
| Fax | +1.9999999999 |
| NameServer | NS2.COSTAR.COM |
| Created | 1994-11-10 05:00:00 |
| Changed | 2015-01-28 23:23:24 |
| Expires | 2017-11-09 00:00:00 |
| Registrar | NETWORK SOLUTIONS, L |
| Date | IP Address |
| 2019-01-31 | 23.3.97.195 (ClassC) |
| 2019-02-21 | 23.219.36.146 (ClassC) |
| 2019-02-21 | 23.3.97.218 (ClassC) |
| 2019-03-06 | 23.56.175.147 (ClassC) |
| 2019-07-22 | 23.56.175.10 (ClassC) |
| 2019-09-10 | 184.28.156.32 (ClassC) |
| 2019-09-10 | 184.28.156.35 (ClassC) |
| 2019-09-20 | 23.42.158.10 (ClassC) |
| 2019-11-19 | 104.114.79.16 (ClassC) |
| 2020-02-05 | 172.232.13.49 (ClassC) |
| 2020-04-14 | 63.239.232.21 (ClassC) |
| 2020-06-30 | 23.54.164.140 (ClassC) |
| 2022-11-09 | 184.30.42.160 (ClassC) |
| 2024-02-18 | 23.55.167.25 (ClassC) |
| 2024-06-28 | 23.46.17.36 (ClassC) |
| 2024-07-05 | 23.192.230.83 (ClassC) |
| 2024-08-18 | 23.44.175.161 (ClassC) |
| 2024-09-03 | 23.46.17.13 (ClassC) |
| 2024-09-09 | 23.44.175.149 (ClassC) |
| 2024-12-16 | 23.46.228.176 (ClassC) |
| 2024-12-26 | 23.54.19.192 (ClassC) |