| Prefix | Block | Addresses | First registered | Organization |
|---|---|---|---|---|
| 00:01:AF | MA-L | 16.8 million | 19 Jul 2008 | Artesyn Embedded Technologies |
| 00:06:0B | MA-L | 16.8 million | 28 May 2010 | Artesyn Embedded Technologies |
| 00:08:F9 | MA-L | 16.8 million | 28 May 2010 | Artesyn Embedded Technologies |
| 00:80:42 | MA-L | 16.8 million | 19 Jul 2008 | Artesyn Embedded Technologies |
| 00:C0:F9 | MA-L | 16.8 million | 28 May 2010 | Artesyn Embedded Technologies |
| 00:E0:35 | MA-L | 16.8 million | 19 Jul 2008 | Artesyn Embedded Technologies |
Former Emerson Network Power MAC address blocks
The IEEE registry once carried 6 blocks registered to Emerson Network Power. All 6 blocks are now registered to Artesyn Embedded Technologies. Artesyn Embedded Technologies 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.