| Prefix | Block | Addresses | First registered | Organization |
|---|---|---|---|---|
| 00:1E:C7 | MA-L | 16.8 million | 20 Nov 2007 | 2Wire Inc |
| 00:1F:B3 | MA-L | 16.8 million | 9 Feb 2008 | 2Wire Inc |
| 00:21:7C | MA-L | 16.8 million | 18 Jun 2008 | 2Wire Inc |
| 00:22:A4 | MA-L | 16.8 million | 19 Jul 2008 | 2Wire Inc |
| 00:23:51 | MA-L | 16.8 million | 8 Oct 2008 | 2Wire Inc |
| 00:24:56 | MA-L | 16.8 million | 23 Nov 2008 | 2Wire Inc |
| 00:25:3C | MA-L | 16.8 million | 15 Feb 2009 | 2Wire Inc |
| 00:26:50 | MA-L | 16.8 million | 31 May 2009 | 2Wire Inc |
| 28:16:2E | MA-L | 16.8 million | 17 May 2011 | 2Wire Inc |
| 34:EF:44 | MA-L | 16.8 million | 9 Sep 2009 | 2Wire Inc |
| 38:3B:C8 | MA-L | 16.8 million | 16 Aug 2014 | 2Wire Inc |
| 3C:EA:4F | MA-L | 16.8 million | 28 Mar 2010 | 2Wire Inc |
| 64:0F:28 | MA-L | 16.8 million | 19 Jan 2011 | 2Wire Inc |
| 74:9D:DC | MA-L | 16.8 million | 25 May 2012 | 2Wire Inc |
| 98:2C:BE | MA-L | 16.8 million | 21 Oct 2010 | 2Wire Inc |
| B0:E7:54 | MA-L | 16.8 million | 26 Jan 2010 | 2Wire Inc |
| B8:E6:25 | MA-L | 16.8 million | 5 Oct 2011 | 2Wire Inc |
| C0:83:0A | MA-L | 16.8 million | 18 Jul 2010 | 2Wire Inc |
| DC:7F:A4 | MA-L | 16.8 million | 21 Apr 2015 | 2Wire Inc |
| F8:18:97 | MA-L | 16.8 million | 4 Nov 2014 | 2Wire Inc |
Former 2Wire MAC address blocks
The IEEE registry once carried 20 blocks registered to 2Wire. All 20 blocks are now registered to 2Wire Inc. 2Wire Inc 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.