| Prefix | Block | Addresses | First registered | Organization |
|---|---|---|---|---|
| 00:12:BF | MA-L | 16.8 million | 16 Nov 2004 | Arcadyan Corporation |
| 00:1A:2A | MA-L | 16.8 million | 2 Nov 2006 | Arcadyan Corporation |
| 00:1D:19 | MA-L | 16.8 million | 25 Jun 2007 | Arcadyan Corporation |
| 00:23:08 | MA-L | 16.8 million | 30 Jul 2008 | Arcadyan Corporation |
| 00:26:4D | MA-L | 16.8 million | 31 May 2009 | Arcadyan Corporation |
| 18:83:BF | MA-L | 16.8 million | 1 Apr 2014 | Arcadyan Corporation |
| 1C:C6:3C | MA-L | 16.8 million | 15 Dec 2011 | Arcadyan Corporation |
| 4C:09:D4 | MA-L | 16.8 million | 30 Sep 2014 | Arcadyan Corporation |
| 50:7E:5D | MA-L | 16.8 million | 22 Jun 2012 | Arcadyan Corporation |
| 5C:DC:96 | MA-L | 16.8 million | 14 Feb 2015 | Arcadyan Corporation |
| 74:31:70 | MA-L | 16.8 million | 4 Jun 2011 | Arcadyan Corporation |
| 7C:4F:B5 | MA-L | 16.8 million | 28 Dec 2010 | Arcadyan Corporation |
| 84:9C:A6 | MA-L | 16.8 million | 17 Nov 2012 | Arcadyan Corporation |
| 88:03:55 | MA-L | 16.8 million | 30 Oct 2015 | Arcadyan Corporation |
| 88:25:2C | MA-L | 16.8 million | 30 Apr 2010 | Arcadyan Corporation |
| 9C:80:DF | MA-L | 16.8 million | 1 Oct 2013 | Arcadyan Corporation |
| A8:D3:F7 | MA-L | 16.8 million | 12 Aug 2015 | Arcadyan Corporation |
Former Arcadyan Technology Corporation MAC address blocks
The IEEE registry once carried 17 blocks registered to Arcadyan Technology Corporation. All 17 blocks are now registered to Arcadyan Corporation. Arcadyan 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.