| 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 |
| 2020-02-04 | 23.66.74.117 (ClassC) |
| 2022-06-02 | 23.39.18.90 (ClassC) |
| 2023-01-27 | 23.8.66.7 (ClassC) |
| 2023-08-26 | 104.100.64.151 (ClassC) |
| 2023-12-11 | 23.198.151.29 (ClassC) |
| 2024-07-12 | 23.6.106.100 (ClassC) |
| 2024-09-09 | 23.195.238.157 (ClassC) |
| 2024-09-21 | 23.198.107.248 (ClassC) |
| 2024-11-12 | 69.192.93.105 (ClassC) |
| 2024-12-26 | 92.122.15.113 (ClassC) |