What this means
The IEEE assigned the MA-M block 4011757 to Guangzhou RALID Information System 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 40:11:75:7, it is Guangzhou RALID Information System Co.Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 4011757?
4011757 is registered to Guangzhou RALID Information System 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. Guangzhou RALID Information System Co.Ltd's block covers 1,048,576 addresses.
What devices use 4011757?
Any network device with a MAC address starting 40:11:75:7 was manufactured by or for Guangzhou RALID Information System Co.Ltd.