| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| 70:B3:D5:14:4 | MA-S | 4.1 thousand | DE | 29 Oct 2017 |
| 70:B3:D5:3D:3 | MA-S | 4.1 thousand | DE | 26 Mar 2020 |
| 8C:1F:64:04:A | MA-S | 4.1 thousand | DE | 6 Feb 2025 |
| 8C:1F:64:2E:5 | MA-S | 4.1 thousand | DE | 7 Nov 2023 |
| 8C:1F:64:3C:F | MA-S | 4.1 thousand | DE | 22 Sep 2026 |
| 8C:1F:64:9B:6 | MA-S | 4.1 thousand | DE | 6 Jul 2022 |
| 8C:1F:64:BC:0 | MA-S | 4.1 thousand | DE | 23 Apr 2021 |
Every block registered to GS Elektromedizinsiche Geräte G. Stemple GmbH in the IEEE registries, complete. Free-text search also matches former owners.