| Date | IP Address |
| 2023-10-27 | 73.239.145.47 (ClassC) |
| 2024-06-16 | 129.250.35.250 (ClassC) |
| 2024-07-18 | 71.162.136.44 (ClassC) |
| 2024-07-30 | 74.208.117.38 (ClassC) |
| 2024-08-09 | 51.81.226.229 (ClassC) |
| 2024-08-17 | 162.159.200.1 (ClassC) |
| 2024-10-13 | 216.240.36.24 (ClassC) |
| 2024-12-06 | 64.142.54.12 (ClassC) |
| 2025-03-05 | 5.161.111.190 (ClassC) |
| 2025-04-03 | 149.28.200.179 (ClassC) |
| Date | Domain | IP |
| time.icf.com | 2023-10-27 | 73.239.145.47 |
| investor.icf.com | 2024-09-05 | 23.46.17.15 |
| www.icf.com | 2015-05-28 | 184.168.221.104 |