| Prefix | Block | Addresses | First registered | Organization |
|---|---|---|---|---|
| 30:9B:AD | MA-L | 16.8 million | 10 Sep 2013 | BBK EDUCATIONAL ELECTRONICS CORP.,LTD. |
| 48:13:F3 | MA-L | 16.8 million | 11 Aug 2011 | BBK EDUCATIONAL ELECTRONICS CORP.,LTD. |
| 48:6B:2C | MA-L | 16.8 million | 20 Jun 2014 | BBK EDUCATIONAL ELECTRONICS CORP.,LTD. |
| 6C:25:B9 | MA-L | 16.8 million | 3 Sep 2014 | BBK EDUCATIONAL ELECTRONICS CORP.,LTD. |
| 80:41:4E | MA-L | 16.8 million | 24 Jan 2014 | BBK EDUCATIONAL ELECTRONICS CORP.,LTD. |
Former BBK Electronics Corp., Ltd., MAC address blocks
The IEEE registry once carried 5 blocks registered to BBK Electronics Corp., Ltd.,. All 5 blocks are now registered to BBK EDUCATIONAL ELECTRONICS CORP.,LTD.. BBK EDUCATIONAL ELECTRONICS CORP.,LTD. took over all of them.
Complete as of the current IEEE registry deploy. Dates are when each registration was first observed in public data, not legal assignment dates.