| Prefix | Block | Addresses | First registered | Organization |
|---|---|---|---|---|
| 28:56:C1 | MA-L | 16.8 million | 13 Jul 2017 | Harman/Becker Automotive Systems GmbH |
| 90:E0:F0 | MA-L | 16.8 million | 27 Mar 2013 | IEEE 1722a Working Group |
Former Harman International MAC address blocks
The IEEE registry once carried 2 blocks registered to Harman International. They are now registered across 2 organizations: Harman/Becker Automotive Systems GmbH × 1, IEEE 1722a Working Group × 1.
Complete as of the current IEEE registry deploy. Dates are when each registration was first observed in public data, not legal assignment dates.