| Prefix | Block | Addresses | First registered | Organization |
|---|---|---|---|---|
| 58:C9:35 | MA-L | 16.8 million | 8 Aug 2017 | Chiun Mai Communication System, Inc |
| CC:9F:7A | MA-L | 16.8 million | 27 Sep 2016 | Chiun Mai Communication System, Inc |
Former Chiun Mai Communication Systems, Inc MAC address blocks
The IEEE registry once carried 2 blocks registered to Chiun Mai Communication Systems, Inc. All 2 blocks are now registered to Chiun Mai Communication System, Inc. Chiun Mai Communication System, Inc 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.