| Date | IP Address |
| 2019-01-26 | 65.153.18.176 (ClassC) |
| 2019-10-03 | 172.232.13.49 (ClassC) |
| 2020-04-18 | 63.239.232.31 (ClassC) |
| 2020-10-27 | 104.119.189.232 (ClassC) |
| 2021-04-28 | 23.218.224.22 (ClassC) |
| 2021-10-23 | 23.197.192.154 (ClassC) |
| 2022-03-23 | 23.223.240.89 (ClassC) |
| 2022-03-23 | 23.223.240.69 (ClassC) |
| 2023-03-13 | 23.213.53.75 (ClassC) |
| 2024-09-19 | 23.46.17.11 (ClassC) |
| 2024-11-25 | 23.54.19.169 (ClassC) |
| 2025-07-22 | 23.216.147.195 (ClassC) |
| 2025-10-20 | 23.46.228.177 (ClassC) |
| 2025-12-14 | 23.216.147.198 (ClassC) |
| 2026-01-10 | 23.216.147.197 (ClassC) |
| Date | Domain | IP |
| nsc.test.linde.com | 2024-08-14 | 23.54.19.169 |
| nsc.hk.test.linde.com | 2024-09-08 | 23.54.19.169 |
| nsc.cn.test.linde.com | 2024-09-19 | 23.46.17.11 |
| telemetry.cn.test.linde.com | 2025-10-22 | 20.79.225.155 |
| telemetry.test.linde.com | 2025-10-29 | 20.79.234.73 |