What this means
The IEEE assigned the MA-M block 78D800D to Korea Micro Wireless Co.,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 78:D8:00:D, it is Korea Micro Wireless Co.,Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 78D800D?
78D800D is registered to Korea Micro Wireless Co.,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. Korea Micro Wireless Co.,Ltd.'s block covers 1,048,576 addresses.
What devices use 78D800D?
Any network device with a MAC address starting 78:D8:00:D was manufactured by or for Korea Micro Wireless Co.,Ltd..