| Prefix | Block | Addresses | First registered | Organization |
|---|---|---|---|---|
| 00:23:68 | MA-L | 16.8 million | 8 Oct 2008 | Zebra Technologies Inc. |
| 40:83:DE | MA-L | 16.8 million | 28 Apr 2010 | Zebra Technologies Inc. |
| 5C:0E:8B | MA-L | 16.8 million | 26 Feb 2010 | Extreme Networks, Inc. |
Former Motorola MAC address blocks
The IEEE registry once carried 3 blocks registered to Motorola. They are now registered across 2 organizations: Zebra Technologies Inc × 2, Extreme Networks, Inc. × 1.
Complete as of the current IEEE registry deploy. Dates are when each registration was first observed in public data, not legal assignment dates.