| 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 |
| 2018-09-05 | 104.91.167.81 (ClassC) |
| 2018-09-22 | 23.220.96.170 (ClassC) |
| 2018-11-17 | 23.3.97.3 (ClassC) |
| 2018-11-17 | 23.35.150.107 (ClassC) |
| 2018-12-07 | 23.56.175.178 (ClassC) |
| 2018-12-18 | 65.153.18.200 (ClassC) |
| 2019-03-06 | 23.56.175.145 (ClassC) |
| 2019-03-06 | 23.56.175.147 (ClassC) |
| 2019-06-18 | 23.220.96.56 (ClassC) |
| 2019-06-21 | 23.43.164.104 (ClassC) |
| 2019-08-22 | 165.254.94.250 (ClassC) |
| 2019-08-22 | 165.254.94.235 (ClassC) |
| 2019-10-03 | 23.220.96.168 (ClassC) |
| 2019-11-20 | 23.42.158.41 (ClassC) |
| 2019-12-10 | 23.56.168.225 (ClassC) |
| 2020-01-29 | 23.35.71.64 (ClassC) |
| 2020-04-02 | 23.35.71.169 (ClassC) |
| 2020-06-20 | 23.54.164.138 (ClassC) |
| 2021-08-18 | 23.66.127.152 (ClassC) |
| 2021-12-16 | 23.52.42.188 (ClassC) |
| 2023-01-25 | 184.27.215.65 (ClassC) |
| 2023-02-26 | 23.56.99.58 (ClassC) |
| 2024-07-04 | 23.44.175.141 (ClassC) |
| 2024-08-04 | 23.44.175.176 (ClassC) |
| 2024-08-19 | 23.46.17.13 (ClassC) |
| 2024-09-09 | 23.46.17.21 (ClassC) |
| 2024-11-25 | 104.70.127.17 (ClassC) |
| 2025-01-26 | 23.38.191.176 (ClassC) |
| 2025-03-18 | 23.46.228.167 (ClassC) |
| 2025-05-05 | 23.46.228.169 (ClassC) |