What this means
The IEEE assigned the MA-L block B40AC6 to DEXON Systems 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 B4:0A:C6, it is DEXON Systems Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix B40AC6?
B40AC6 is registered to DEXON Systems 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. DEXON Systems Ltd.'s block covers 16,777,216 addresses.
What devices use B40AC6?
Any network device with a MAC address starting B4:0A:C6 was manufactured by or for DEXON Systems Ltd..