| Date | IP Address |
| 2020-06-30 | 23.54.164.140 (ClassC) |
| 2022-02-03 | 23.64.114.7 (ClassC) |
| 2024-07-17 | 23.46.17.36 (ClassC) |
| 2024-08-22 | 23.54.19.120 (ClassC) |
| 2025-04-13 | 23.46.228.176 (ClassC) |
| 2025-04-21 | 23.46.228.172 (ClassC) |
| 2026-01-30 | 23.216.147.196 (ClassC) |
| Date | Domain | IP |
| www-prd.costarpowerbrokers.com | 2024-11-25 | 104.70.127.17 |
| ftp.costarpowerbrokers.com | 2025-03-07 | 23.213.175.153 |
| www-tst.costarpowerbrokers.com | 2024-07-17 | 23.46.17.36 |
| www-dev.costarpowerbrokers.com | 2024-06-28 | 23.46.17.13 |
| www.costarpowerbrokers.com | 2024-11-25 | 23.54.19.147 |
| www-sbx.costarpowerbrokers.com | 2024-08-22 | 23.54.19.120 |