| Prefix | Block | Addresses | First registered | Organization |
|---|---|---|---|---|
| 00:50:C2:A2:A | IAB | 4.1 thousand | 18 Jan 2009 | Astronics Custom Control Concepts |
| 60:81:2B | MA-L | 16.8 million | 29 Jan 2014 | Astronics Custom Control Concepts |
Former Custom Control Concepts MAC address blocks
The IEEE registry once carried 2 blocks registered to Custom Control Concepts. All 2 blocks are now registered to Astronics Custom Control Concepts. Astronics Custom Control Concepts 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.