| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| 00:50:C2:52:4 | IAB | 4.1 thousand | AU | 30 Jul 2008 |
| 00:50:C2:E5:1 | IAB | 4.1 thousand | AU | 7 Aug 2011 |
| 00:50:C2:FC:1 | IAB | 4.1 thousand | AU | 8 Jul 2012 |
| AC:1D:DF:4 | MA-M | 1 million | AU | 16 Jul 2017 |
| 70:B3:D5:61:8 | MA-S | 4.1 thousand | AU | 29 Nov 2015 |
| 70:B3:D5:71:E | MA-S | 4.1 thousand | AU | 29 Jun 2014 |
| 70:B3:D5:B7:7 | MA-S | 4.1 thousand | AU | 4 Sep 2016 |
Every block registered to Motec Pty Ltd in the IEEE registries, complete. Free-text search also matches former owners.