| Date | IP Address |
| 2016-11-22 | 69.192.217.13 (ClassC) |
| 2017-12-19 | 184.30.216.36 (ClassC) |
| 2021-05-11 | 2.17.196.121 (ClassC) |
| 2022-05-18 | 23.54.19.186 (ClassC) |
| 2022-09-03 | 92.123.189.104 (ClassC) |
| 2023-02-16 | 23.202.90.83 (ClassC) |
| 2024-09-10 | 23.46.228.172 (ClassC) |
| 2024-11-21 | 23.46.17.44 (ClassC) |
| 2024-11-25 | 23.46.17.65 (ClassC) |
| 2025-04-14 | 23.202.47.88 (ClassC) |
| 2025-04-30 | 23.33.42.145 (ClassC) |
| 2025-05-06 | 23.55.167.26 (ClassC) |
| 2025-09-01 | 23.216.147.200 (ClassC) |
| 2026-01-16 | 23.46.228.178 (ClassC) |
| Date | Domain | IP |
| api-plantserv.linde-engineering.com | 2025-11-17 | 23.41.4.72 |
| www.linde-engineering.com | 2024-09-10 | 23.46.228.172 |