| Date | IP Address |
| 2025-01-20 | 23.41.4.91 (ClassC) |
| 2026-02-12 | 23.41.4.81 (ClassC) |
| 2026-03-05 | 23.41.4.87 (ClassC) |
| Date | Domain | IP |
| virtualshop.praxairusa.com | 2024-04-06 | 23.44.175.138 |
| pdiecommtest.praxairusa.com | 2025-01-20 | 23.41.4.91 |
| www.praxairusa.com | 2025-08-12 | 23.41.4.91 |