| Date | IP Address |
| 2013-09-04 | 65.74.173.40 (ClassC) |
| 2014-10-16 | 192.0.81.250 (ClassC) |
| 2014-10-30 | 64.79.149.156 (ClassC) |
| 2025-03-22 | 170.39.106.1 (ClassC) |
| Date | Domain | IP |
| info.opengroup.org | 2015-01-21 | 108.168.254.38 |
| events.opengroup.org | 2024-12-12 | 54.85.197.3 |
| www.opengroup.org | 2024-12-30 | 44.195.190.5 |