| Prefix | Block | Addresses | First registered | Organization |
|---|---|---|---|---|
| 00:50:C2:F4:8 | IAB | 4.1 thousand | 20 Mar 2020 | SHURE INCORPORATED |
| 9C:43:1E:E | MA-M | 1 million | 20 Mar 2020 | SHURE INCORPORATED |
Former Phoenix Audio Technologies MAC address blocks
The IEEE registry once carried 2 blocks registered to Phoenix Audio Technologies. All 2 blocks are now registered to SHURE INCORPORATED. SHURE INCORPORATED took over all of them.
Complete as of the current IEEE registry deploy. Dates are when each registration was first observed in public data, not legal assignment dates.