| 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 |
| 2019-12-11 | 23.56.168.225 (ClassC) |
| 2020-06-29 | 63.239.232.36 (ClassC) |
| 2020-12-05 | 69.192.7.209 (ClassC) |
| 2024-05-04 | 23.46.17.53 (ClassC) |
| 2024-06-03 | 23.46.17.40 (ClassC) |
| 2024-06-22 | 23.46.17.33 (ClassC) |
| 2024-07-05 | 104.70.127.20 (ClassC) |
| 2024-08-18 | 23.44.175.152 (ClassC) |
| 2024-08-25 | 23.46.228.175 (ClassC) |
| 2024-09-01 | 104.98.114.137 (ClassC) |
| 2024-09-09 | 23.46.17.30 (ClassC) |
| 2024-11-09 | 23.54.19.105 (ClassC) |
| 2024-12-17 | 23.41.4.75 (ClassC) |
| 2025-03-21 | 23.202.47.17 (ClassC) |
| 2025-04-07 | 23.46.228.169 (ClassC) |