| 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 |
| 2019-10-03 | 23.43.164.82 (ClassC) |
| 2019-11-22 | 23.42.158.41 (ClassC) |
| 2019-12-10 | 23.56.168.225 (ClassC) |
| 2020-02-18 | 165.254.94.235 (ClassC) |
| 2020-02-18 | 165.254.94.250 (ClassC) |
| 2020-04-19 | 209.211.216.47 (ClassC) |
| 2020-06-20 | 23.54.164.138 (ClassC) |
| 2020-07-01 | 23.62.239.44 (ClassC) |
| 2020-07-20 | 104.91.167.81 (ClassC) |
| 2022-02-09 | 184.51.3.155 (ClassC) |
| 2022-05-19 | 23.64.114.133 (ClassC) |
| 2022-11-23 | 184.27.215.65 (ClassC) |
| 2023-02-26 | 23.52.42.170 (ClassC) |
| 2023-04-13 | 2.19.176.80 (ClassC) |
| 2024-07-05 | 104.70.127.19 (ClassC) |
| 2024-07-08 | 23.46.17.48 (ClassC) |
| 2024-09-03 | 23.46.17.13 (ClassC) |
| 2024-09-09 | 23.46.17.21 (ClassC) |
| 2024-09-18 | 23.46.17.64 (ClassC) |
| 2024-12-17 | 104.70.127.17 (ClassC) |
| 2025-03-30 | 23.46.228.167 (ClassC) |
| 2025-04-26 | 23.59.88.36 (ClassC) |
| 2025-05-01 | 23.46.228.169 (ClassC) |