| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| 00:50:C2:20:3 | IAB | 4.1 thousand | GB | 16 Nov 2014 |
| 00:50:C2:66:7 | IAB | 4.1 thousand | GB | 30 Jul 2008 |
| 00:50:C2:AF:B | IAB | 4.1 thousand | GB | 16 Nov 2014 |
| 00:50:C2:D9:E | IAB | 4.1 thousand | GB | 16 Nov 2014 |
| 00:50:C2:E3:A | IAB | 4.1 thousand | GB | 16 Nov 2014 |
| 40:D8:55:14:B | IAB | 4.1 thousand | GB | 16 Nov 2014 |
| 70:B3:D5:0F:E | MA-S | 4.1 thousand | GB | 10 Jan 2016 |
| 70:B3:D5:10:C | MA-S | 4.1 thousand | GB | 12 Oct 2014 |
Every block registered to Vocality International Ltd in the IEEE registries, complete. Free-text search also matches former owners.