| 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 |
| 2020-06-30 | 23.54.164.140 (ClassC) |
| 2020-07-29 | 23.56.175.10 (ClassC) |
| 2024-09-09 | 23.46.17.13 (ClassC) |
| 2024-11-07 | 23.54.19.56 (ClassC) |
| 2025-03-19 | 23.46.228.176 (ClassC) |
| 2025-03-29 | 23.59.88.39 (ClassC) |
| 2025-04-17 | 23.202.47.18 (ClassC) |
| 2025-05-05 | 23.46.228.172 (ClassC) |