| Prefix | Block | Addresses | First registered | Organization |
|---|---|---|---|---|
| 70:B3:D5:91:E | MA-S | 4.1 thousand | 30 Nov 2014 | Creotech Quantum SA |
| 94:FB:A7:D | MA-M | 1 million | 5 Mar 2020 | Rosenberger Technologies Co.,Ltd. |
| E0:6C:A6 | MA-L | 16.8 million | 26 Apr 2020 | Creotech Quantum SA |
Former Creotech Instruments S.A. MAC address blocks
The IEEE registry once carried 3 blocks registered to Creotech Instruments S.A.. They are now registered across 2 organizations: Creotech Quantum SA × 2, Rosenberger Technologies Co.,Ltd. × 1.
Complete as of the current IEEE registry deploy. Dates are when each registration was first observed in public data, not legal assignment dates.