| Date | IP Address |
| 2024-08-20 | 52.25.51.43 (ClassC) |
| 2024-11-10 | 52.37.209.204 (ClassC) |
| 2025-01-10 | 34.223.239.25 (ClassC) |
| 2025-01-14 | 44.238.112.11 (ClassC) |
| 2025-04-18 | 54.200.190.35 (ClassC) |
| 2025-11-19 | 54.201.2.210 (ClassC) |
| Date | Domain | IP |
| costar-mobile-app-associations-us-east-1.prd.costar.aws.dshrp.com | 2025-03-05 | 44.195.113.77 |
| suite-web-page-converter-us-west-2.prd.costar.aws.dshrp.com | 2024-05-14 | 35.162.251.72 |
| news-central-repository-apigw-us-west-2.prd.costar.aws.dshrp.com | 2024-08-20 | 52.25.51.43 |