| Date | IP Address |
| 2026-01-23 | 172.64.155.155 (ClassC) |
| Date | Domain | IP |
| www.otc.sennheiser-hearing.com | 2026-01-21 | 23.216.147.200 |
| brandzone.sennheiser-hearing.com | 2024-11-22 | 3.70.73.221 |
| hearingaidtraining.sennheiser-hearing.com | 2026-01-21 | 18.157.217.148 |
| capi.sennheiser-hearing.com | 2025-02-22 | 3.67.71.149 |
| returns.sennheiser-hearing.com | 2026-01-23 | 172.64.155.155 |
| us.sennheiser-hearing.com | 2026-01-23 | 23.227.38.74 |
| eu.sennheiser-hearing.com | 2024-11-28 | 23.227.38.74 |
| www.sennheiser-hearing.com | 2024-11-24 | 15.197.167.90 |