Who owns MAC prefix 040EC2?

040EC2 is registered to ViewSonic Mobile China Limited in the IEEE MA-L registry.

What devices use 040EC2?

Any network device with a MAC address starting 04:0E:C2 was manufactured by or for ViewSonic Mobile China Limited.

MA-L · OUI prefix

ViewSonic Mobile China Limited

Any MAC address starting 04:0E:C2 is registered to ViewSonic Mobile China Limited in CN.

OUI prefix	040EC2
Vendor	ViewSonic Mobile China Limited
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	04:0E:C2:00:00:00

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.

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