| 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 |
| 2021-04-30 | 23.35.71.169 (ClassC) |
| 2021-08-18 | 23.66.127.152 (ClassC) |
| 2021-12-16 | 23.52.42.188 (ClassC) |
| 2022-05-13 | 172.232.21.48 (ClassC) |
| 2022-05-19 | 23.64.114.133 (ClassC) |
| 2023-02-26 | 23.56.99.58 (ClassC) |
| 2023-04-13 | 2.19.176.80 (ClassC) |
| 2024-08-09 | 23.46.17.13 (ClassC) |
| 2024-09-09 | 23.54.19.113 (ClassC) |
| 2024-10-29 | 23.41.4.71 (ClassC) |
| 2024-11-10 | 23.46.17.21 (ClassC) |
| 2024-11-25 | 23.46.17.48 (ClassC) |
| 2025-01-21 | 23.44.175.141 (ClassC) |
| 2025-04-04 | 23.46.228.167 (ClassC) |
| 2025-05-06 | 23.46.228.169 (ClassC) |