| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| 28:BC:56 | MA-L | 16.8 million | US | 25 Sep 2015 |
| 00:50:C2:0E:0 | IAB | 4.1 thousand | US | 30 Jul 2008 |
| 00:50:C2:97:4 | IAB | 4.1 thousand | US | 8 Oct 2008 |
| 00:50:C2:B8:7 | IAB | 4.1 thousand | US | 15 Nov 2009 |
| 00:50:C2:C9:2 | IAB | 4.1 thousand | US | 9 May 2010 |
| 00:50:C2:D6:2 | IAB | 4.1 thousand | US | 14 Nov 2010 |
| 00:50:C2:D7:1 | IAB | 4.1 thousand | US | 21 Nov 2010 |
| 00:50:C2:E6:6 | IAB | 4.1 thousand | US | 7 Aug 2011 |
| 00:50:C2:F6:2 | IAB | 4.1 thousand | US | 1 Apr 2012 |
| 00:50:C2:F8:A | IAB | 4.1 thousand | US | 13 May 2012 |
| 40:D8:55:09:D | IAB | 4.1 thousand | US | 10 Feb 2013 |
| 40:D8:55:13:1 | IAB | 4.1 thousand | US | 14 Jul 2013 |
| 40:D8:55:18:3 | IAB | 4.1 thousand | US | 6 Oct 2013 |
| 40:D8:55:19:D | IAB | 4.1 thousand | US | 27 Oct 2013 |
| 70:B3:D5:65:4 | MA-S | 4.1 thousand | US | 26 Apr 2015 |
| 70:B3:D5:67:9 | MA-S | 4.1 thousand | US | 22 Feb 2015 |
| 70:B3:D5:72:9 | MA-S | 4.1 thousand | US | 26 Oct 2014 |
| 70:B3:D5:8A:B | MA-S | 4.1 thousand | US | 6 Apr 2014 |
Every block registered to EMAC, Inc. in the IEEE registries, complete. Free-text search also matches former owners.