| Prefix | Block | Addresses | First registered | Organization |
|---|---|---|---|---|
| 00:25:57 | MA-L | 16.8 million | 22 Feb 2009 | BlackBerry RTS |
| 00:26:FF | MA-L | 16.8 million | 28 Jul 2009 | BlackBerry RTS |
| 1C:69:A5 | MA-L | 16.8 million | 8 Mar 2012 | BlackBerry RTS |
| 34:BB:1F | MA-L | 16.8 million | 17 May 2012 | BlackBerry RTS |
| 40:6F:2A | MA-L | 16.8 million | 7 Sep 2012 | BlackBerry RTS |
| 48:9D:24 | MA-L | 16.8 million | 26 Apr 2013 | BlackBerry RTS |
| 68:ED:43 | MA-L | 16.8 million | 5 Nov 2011 | BlackBerry RTS |
| 70:AA:B2 | MA-L | 16.8 million | 22 Dec 2011 | BlackBerry RTS |
| F4:0B:93 | MA-L | 16.8 million | 4 Nov 2009 | BlackBerry RTS |
Former Research In Motion MAC address blocks
The IEEE registry once carried 9 blocks registered to Research In Motion. All 9 blocks are now registered to BlackBerry RTS. BlackBerry RTS 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.