What this means
The IEEE assigned the MA-L block 040EC2 to ViewSonic Mobile China Limited. 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 04:0E:C2, it is ViewSonic Mobile China Limited hardware.
Frequently Asked Questions
Who owns MAC prefix 040EC2?
040EC2 is registered to ViewSonic Mobile China Limited 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. ViewSonic Mobile China Limited's block covers 16,777,216 addresses.
What devices use 040EC2?
Any network device with a MAC address starting 04:0E:C2 was manufactured by or for ViewSonic Mobile China Limited.