| Prefix | Block | Addresses | First registered | Organization |
|---|---|---|---|---|
| 00:16:B8 | MA-L | 16.8 million | 9 Dec 2005 | Sony Corporation |
| 00:18:13 | MA-L | 16.8 million | 25 Apr 2006 | Sony Corporation |
| 00:1A:75 | MA-L | 16.8 million | 29 Nov 2006 | Sony Corporation |
| 00:1C:A4 | MA-L | 16.8 million | 29 May 2007 | Sony Corporation |
| 00:1F:E4 | MA-L | 16.8 million | 9 Feb 2008 | Sony Corporation |
| 00:21:9E | MA-L | 16.8 million | 18 Jun 2008 | Sony Corporation |
| 00:22:98 | MA-L | 16.8 million | 19 Jul 2008 | Sony Corporation |
| 00:23:45 | MA-L | 16.8 million | 8 Oct 2008 | Sony Corporation |
| 00:23:F1 | MA-L | 16.8 million | 12 Oct 2008 | Sony Corporation |
| 00:24:EF | MA-L | 16.8 million | 18 Jan 2009 | Sony Corporation |
| 00:25:E7 | MA-L | 16.8 million | 19 Apr 2009 | Sony Corporation |
| 24:21:AB | MA-L | 16.8 million | 7 Oct 2009 | Sony Corporation |
Former Sony Ericsson Mobile Communications MAC address blocks
The IEEE registry once carried 12 blocks registered to Sony Ericsson Mobile Communications. All 12 blocks are now registered to Sony Corporation. Sony Corporation 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.