| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| 00:50:C2:27:6 | IAB | 4.1 thousand | AU | 30 Jul 2008 |
| 00:50:C2:86:D | IAB | 4.1 thousand | AU | 30 Jul 2008 |
| 00:50:C2:DA:9 | IAB | 4.1 thousand | AU | 23 Jan 2011 |
| 40:D8:55:10:5 | IAB | 4.1 thousand | AU | 26 May 2013 |
| 70:B3:D5:20:F | MA-S | 4.1 thousand | AU | 16 Apr 2017 |
| 70:B3:D5:FC:B | MA-S | 4.1 thousand | AU | 26 Oct 2018 |
| 8C:1F:64:2C:0 | MA-S | 4.1 thousand | AU | 3 May 2025 |
| 8C:1F:64:3B:3 | MA-S | 4.1 thousand | AU | 1 Oct 2026 |
| 8C:1F:64:4F:0 | MA-S | 4.1 thousand | AU | 18 Nov 2021 |
| 8C:1F:64:BA:E | MA-S | 4.1 thousand | AU | 4 Nov 2023 |
Every block registered to Tieline Research Pty Ltd in the IEEE registries, complete. Free-text search also matches former owners.