| 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 |
| 2025-03-14 | 23.62.35.19 (ClassC) |
| 2025-11-02 | 23.38.194.138 (ClassC) |
| Date | Domain | IP |
| ahprdcdn1.costar.com | 2015-03-17 | 128.177.96.81 |
| ahtstcdn1.costar.com | 2023-08-25 | 23.201.23.200 |
| ahdevcdn1.costar.com | 2023-08-26 | 104.100.74.52 |
| pds1.costar.com | 2025-10-19 | 65.222.181.20 |
| t0-pds1.costar.com | 2025-10-02 | 65.222.181.20 |
| t1-pds1.costar.com | 2025-10-02 | 65.222.181.20 |
| t2-pds1.costar.com | 2025-10-03 | 65.222.181.20 |
| t3-pds1.costar.com | 2025-09-15 | 65.222.181.20 |
| product1.costar.com | 2024-03-11 | 104.81.191.145 |
| ahprdcdn2.costar.com | 2015-03-12 | 128.177.96.80 |
| ahtstcdn2.costar.com | 2023-08-25 | 23.201.23.200 |
| pds2.costar.com | 2025-08-31 | 204.253.48.160 |
| t0-pds2.costar.com | 2025-10-05 | 204.253.48.160 |
| t1-pds2.costar.com | 2025-09-15 | 204.253.48.160 |
| t2-pds2.costar.com | 2025-09-25 | 204.253.48.160 |
| t3-pds2.costar.com | 2025-08-23 | 204.253.48.160 |
| NS2.COSTAR.COM | 2025-10-01 | 204.253.48.130 |
| product2.costar.com | 2023-08-26 | 104.100.64.151 |
| property2.costar.com | 2023-08-26 | 104.100.64.151 |
| t0.property2.costar.com | 2024-07-05 | 184.25.198.153 |
| t1.property2.costar.com | 2024-09-14 | 23.195.238.157 |
| t2.property2.costar.com | 2023-08-26 | 104.100.64.151 |
| ahprdcdn3.costar.com | 2015-03-01 | 165.254.207.89 |
| ahtstcdn3.costar.com | 2023-08-25 | 23.201.23.200 |
| pds3.costar.com | 2025-10-22 | 65.210.23.143 |
| t0-pds3.costar.com | 2025-09-15 | 65.210.23.143 |
| t1-pds3.costar.com | 2025-09-15 | 65.210.23.143 |
| t2-pds3.costar.com | 2025-09-25 | 65.210.23.143 |
| t3-pds3.costar.com | 2025-09-11 | 65.210.23.143 |
| product3.costar.com | 2023-08-26 | 104.100.64.151 |
| property3.costar.com | 2024-12-09 | 23.195.238.157 |
| t0.property3.costar.com | 2025-02-08 | 104.100.64.151 |
| t1.property3.costar.com | 2023-08-26 | 104.100.64.151 |
| t2.property3.costar.com | 2023-08-26 | 104.100.64.151 |
| ahprdcdn4.costar.com | 2015-03-12 | 128.177.96.81 |
| ahtstcdn4.costar.com | 2023-08-25 | 23.198.174.29 |
| image.mc.costar.com | 2024-05-17 | 23.213.175.193 |
| publicrecord.costar.com | 2025-10-07 | 97.65.17.165 |
| adsperformance-prd.costar.com | 2024-09-29 | 23.46.17.12 |
| communication-prd.costar.com | 2024-07-05 | 104.70.127.20 |
| aptsfeed-data-migration-prd.costar.com | 2024-06-19 | 23.46.17.21 |
| pds-prd.costar.com | 2024-09-09 | 23.46.17.21 |
| we-twilio-services-prd.costar.com | 2024-11-25 | 23.54.19.192 |
| cs-host-prd.costar.com | 2024-09-12 | 23.54.19.192 |
| gateway-prd.costar.com | 2023-08-26 | 104.100.64.151 |
| trustsafety-prd.costar.com | 2024-11-25 | 23.54.19.147 |
| image.e.costar.com | 2014-04-24 | 209.8.115.55 |
| marketanalyticsservice.costar.com | 2025-07-17 | 65.222.181.120 |
| showcase-tst-rele.costar.com | 2024-03-11 | 23.198.174.29 |
| mobilebff-tst-rele.costar.com | 2023-08-25 | 23.198.174.29 |
| listingmanager-tst-rele.costar.com | 2024-03-12 | 23.198.174.29 |
| marketingcenter-tst-rele.costar.com | 2023-08-26 | 104.100.74.52 |
| products-tst-rele.costar.com | 2023-08-25 | 23.198.174.29 |
| product-tst-rele.costar.com | 2024-08-04 | 23.46.17.36 |
| gateway-tst-rele.costar.com | 2024-08-04 | 23.48.19.8 |
| mobilebff-dev-rele.costar.com | 2024-03-12 | 23.198.174.29 |
| listingmanager-dev-rele.costar.com | 2023-08-25 | 23.201.23.200 |
| marketingcenter-dev-rele.costar.com | 2025-02-10 | 104.100.74.52 |
| products-dev-rele.costar.com | 2024-03-11 | 23.198.174.29 |
| product-dev-rele.costar.com | 2024-07-05 | 104.70.127.25 |
| gateway-dev-rele.costar.com | 2023-08-25 | 23.198.174.29 |
| marketingcenter-mobile.costar.com | 2023-08-26 | 104.100.69.35 |
| costarmobile.costar.com | 2023-08-26 | 104.100.64.151 |
| walkscore.costar.com | 2023-08-26 | 104.100.69.35 |
| enterprise.costar.com | 2024-07-05 | 104.70.127.19 |
| we.costar.com | 2023-08-26 | 104.100.64.151 |
| tokenize.costar.com | 2024-11-25 | 23.46.17.48 |
| mobilebff.costar.com | 2023-08-26 | 104.100.64.151 |
| travelcalculator-routing.costar.com | 2024-09-09 | 23.46.17.13 |
| li.costar.com | 2024-08-18 | 23.219.78.184 |
| api.costar.com | 2024-07-04 | 23.44.175.141 |
| research-api.costar.com | 2023-08-26 | 104.100.69.35 |
| videowall-api.costar.com | 2024-11-25 | 23.46.17.64 |
| news-api.costar.com | 2024-07-24 | 23.46.17.20 |