| 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 |
| 2020-03-04 | 23.56.168.225 (ClassC) |
| 2020-07-02 | 23.54.164.138 (ClassC) |
| 2024-08-02 | 23.46.228.169 (ClassC) |
| 2024-09-09 | 23.46.17.21 (ClassC) |
| 2024-11-07 | 23.46.228.166 (ClassC) |