| Date | IP Address |
| 2022-01-26 | 52.222.158.50 (ClassC) |
| 2022-07-21 | 54.192.150.84 (ClassC) |
| 2024-02-29 | 104.18.39.221 (ClassC) |
| 2024-05-14 | 172.64.148.35 (ClassC) |
| 2024-08-09 | 104.18.2.201 (ClassC) |
| 2025-05-10 | 172.64.149.115 (ClassC) |
| 2026-01-18 | 104.18.38.141 (ClassC) |
| Date | Domain | IP |
| calc.leybold.com | 2025-06-16 | 20.50.2.23 |
| www.leybold.com | 2024-02-29 | 104.18.39.221 |