What this means
The IEEE assigned the MA-M block 848BCD4 to Logic Supply. Every network interface they manufacture under this block has a MAC address beginning with these digits, followed by a unique per-device identifier. If a device on your network shows a MAC starting 84:8B:CD:4, it is Logic Supply hardware.
Frequently Asked Questions
Who owns MAC prefix 848BCD4?
848BCD4 is registered to Logic Supply in the IEEE MA-M registry.
What does the MA-M registry type mean?
An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. Logic Supply's block covers 1,048,576 addresses.
What devices use 848BCD4?
Any network device with a MAC address starting 84:8B:CD:4 was manufactured by or for Logic Supply.