| Date | IP Address |
| 2020-06-30 | 23.54.164.140 (ClassC) |
| 2020-12-24 | 184.30.42.12 (ClassC) |
| 2022-02-03 | 23.64.114.7 (ClassC) |
| 2024-06-28 | 23.46.17.13 (ClassC) |
| 2024-07-05 | 104.70.127.49 (ClassC) |
| 2024-07-23 | 23.46.17.35 (ClassC) |
| 2025-01-05 | 23.46.228.176 (ClassC) |
| 2025-04-14 | 23.55.111.210 (ClassC) |
| 2025-04-17 | 23.46.228.172 (ClassC) |
| 2025-05-16 | 23.216.147.166 (ClassC) |
| 2025-09-30 | 23.216.147.198 (ClassC) |
| 2026-01-31 | 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 |