What this means
The IEEE assigned the MA-L block 840B2D to SAMSUNG ELECTRO MECHANICS 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 84:0B:2D, it is SAMSUNG ELECTRO MECHANICS CO., LTD. hardware.
Frequently Asked Questions
Who owns MAC prefix 840B2D?
840B2D is registered to SAMSUNG ELECTRO MECHANICS 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. SAMSUNG ELECTRO MECHANICS CO., LTD.'s block covers 16,777,216 addresses.
What devices use 840B2D?
Any network device with a MAC address starting 84:0B:2D was manufactured by or for SAMSUNG ELECTRO MECHANICS CO., LTD..