| Prefix | Block | Addresses | First registered | Organization |
|---|---|---|---|---|
| 00:0D:02 | MA-L | 16.8 million | 1 Mar 2007 | NEC Platforms, Ltd. |
| 00:1B:8B | MA-L | 16.8 million | 1 Mar 2007 | NEC Platforms, Ltd. |
| 00:3A:9D | MA-L | 16.8 million | 11 Feb 2010 | NEC Platforms, Ltd. |
| 10:66:82 | MA-L | 16.8 million | 27 Jan 2013 | NEC Platforms, Ltd. |
| 1C:B1:7F | MA-L | 16.8 million | 10 Nov 2011 | NEC Platforms, Ltd. |
| A4:12:42 | MA-L | 16.8 million | 17 May 2014 | NEC Platforms, Ltd. |
Former NEC AccessTechnica, Ltd. MAC address blocks
The IEEE registry once carried 6 blocks registered to NEC AccessTechnica, Ltd.. All 6 blocks are now registered to NEC Platforms, Ltd.. NEC Platforms, Ltd. 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.