| Date | IP Address |
| 2024-11-22 | 52.28.114.26 (ClassC) |
| 2025-05-24 | 52.29.214.228 (ClassC) |
| 2025-06-13 | 3.77.122.81 (ClassC) |
| 2025-07-16 | 52.57.180.100 (ClassC) |
| 2025-09-01 | 3.64.14.114 (ClassC) |
| 2025-10-13 | 18.156.51.235 (ClassC) |
| 2025-11-25 | 18.195.82.89 (ClassC) |
| Date | Domain | IP |
| go.open-systems.com | 2025-03-16 | 104.17.73.206 |
| brandbuilder.open-systems.com | 2024-11-22 | 52.28.114.26 |
| salesloft.open-systems.com | 2025-10-07 | 3.216.14.142 |
| www.open-systems.com | 2025-09-20 | 141.193.213.21 |