What this means
The IEEE assigned the MA-M block 883CC57 to KMtronic ltd. 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 88:3C:C5:7, it is KMtronic ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 883CC57?
883CC57 is registered to KMtronic ltd 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. KMtronic ltd's block covers 1,048,576 addresses.
What devices use 883CC57?
Any network device with a MAC address starting 88:3C:C5:7 was manufactured by or for KMtronic ltd.