| 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 |
| 2018-11-26 | 72.246.117.58 (ClassC) |
| 2019-01-30 | 23.219.36.146 (ClassC) |
| 2019-01-31 | 65.153.18.136 (ClassC) |
| 2019-02-21 | 23.3.97.218 (ClassC) |
| 2019-07-17 | 23.56.175.10 (ClassC) |
| 2019-09-20 | 23.42.158.10 (ClassC) |
| 2020-06-30 | 23.54.164.140 (ClassC) |
| 2024-07-05 | 104.70.127.25 (ClassC) |
| 2024-08-12 | 23.46.17.13 (ClassC) |
| 2024-08-18 | 23.54.19.131 (ClassC) |
| 2024-09-09 | 23.46.17.36 (ClassC) |
| 2024-12-01 | 23.46.17.69 (ClassC) |
| 2025-01-21 | 23.46.228.172 (ClassC) |
| 2025-02-22 | 23.54.19.192 (ClassC) |
| 2025-04-12 | 23.46.228.176 (ClassC) |