| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| 70:B3:D5:52:7 | MA-S | 4.1 thousand | AU | 14 Nov 2020 |
| 70:B3:D5:55:B | MA-S | 4.1 thousand | AU | 22 May 2016 |
| 70:B3:D5:8E:B | MA-S | 4.1 thousand | AU | 8 Apr 2018 |
| 70:B3:D5:CB:C | MA-S | 4.1 thousand | AU | 6 Apr 2014 |
| 8C:1F:64:A7:5 | MA-S | 4.1 thousand | AU | 14 Jan 2025 |
| 8C:1F:64:DC:2 | MA-S | 4.1 thousand | AU | 29 Oct 2022 |
Every block registered to Procon Electronics Pty Ltd in the IEEE registries, complete. Free-text search also matches former owners.