What this means
The IEEE assigned the MA-L block 201257 to Most Lucky Trading 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 20:12:57, it is Most Lucky Trading Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 201257?
201257 is registered to Most Lucky Trading Ltd in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. Most Lucky Trading Ltd's block covers 16,777,216 addresses.
What devices use 201257?
Any network device with a MAC address starting 20:12:57 was manufactured by or for Most Lucky Trading Ltd.