| 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 |
| 2022-01-23 | 23.66.127.174 (ClassC) |
| 2023-06-02 | 23.56.99.58 (ClassC) |
| 2024-02-26 | 104.96.163.207 (ClassC) |
| 2024-03-12 | 184.28.93.99 (ClassC) |
| 2024-06-22 | 23.46.17.30 (ClassC) |
| 2024-07-05 | 104.70.127.20 (ClassC) |
| 2024-08-17 | 23.54.19.105 (ClassC) |
| 2024-09-09 | 23.46.17.33 (ClassC) |
| 2025-02-22 | 23.54.19.147 (ClassC) |
| 2025-04-26 | 23.46.228.169 (ClassC) |
| 2025-05-05 | 23.46.228.175 (ClassC) |