What this means
The IEEE assigned the MA-M block 4C81BE6 to Shenzhen Ultra Meta Industrial Control Technology 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 4C:81:BE:6, it is Shenzhen Ultra Meta Industrial Control Technology Co.,Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 4C81BE6?
4C81BE6 is registered to Shenzhen Ultra Meta Industrial Control Technology 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. Shenzhen Ultra Meta Industrial Control Technology Co.,Ltd.'s block covers 1,048,576 addresses.
What devices use 4C81BE6?
Any network device with a MAC address starting 4C:81:BE:6 was manufactured by or for Shenzhen Ultra Meta Industrial Control Technology Co.,Ltd..