| Date | IP Address |
| 2021-05-20 | 54.209.125.173 (ClassC) |
| 2021-09-17 | 3.233.113.99 (ClassC) |
| 2025-01-13 | 54.156.25.242 (ClassC) |
| 2025-07-31 | 3.226.153.145 (ClassC) |
| 2025-10-07 | 3.216.14.142 (ClassC) |
| 2025-11-25 | 3.215.38.193 (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 |