| Prefix | Block | Addresses | Country | First registered |
|---|---|---|---|---|
| 00:55:DA:8 | MA-M | 1 million | US | 16 Oct 2015 |
| 40:D8:55:06:D | IAB | 4.1 thousand | US | 16 Dec 2012 |
| 40:D8:55:18:0 | IAB | 4.1 thousand | US | 29 Sep 2013 |
| 70:B3:D5:7B:3 | MA-S | 4.1 thousand | US | 29 Jun 2014 |
| 70:B3:D5:AB:5 | MA-S | 4.1 thousand | US | 8 Feb 2015 |
| 70:B3:D5:E9:5 | MA-S | 4.1 thousand | US | 7 Sep 2014 |
| 70:B3:D5:F1:1 | MA-S | 4.1 thousand | US | 5 Jul 2015 |
Every block registered to BroadSoft Inc in the IEEE registries, complete. Free-text search also matches former owners.