What this means
The IEEE assigned the MA-L block 54B620 to SUHDOL E&C 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 54:B6:20, it is SUHDOL E&C Co.Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 54B620?
54B620 is registered to SUHDOL E&C Co.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. SUHDOL E&C Co.Ltd.'s block covers 16,777,216 addresses.
What devices use 54B620?
Any network device with a MAC address starting 54:B6:20 was manufactured by or for SUHDOL E&C Co.Ltd..