Who owns MAC prefix 40311B?

40311B is registered to Genbyte Technology Inc. in the IEEE MA-L registry.

What devices use 40311B?

Any network device with a MAC address starting 40:31:1B was manufactured by or for Genbyte Technology Inc..

MA-L · OUI prefix

Genbyte Technology Inc.

Any MAC address starting 40:31:1B is registered to Genbyte Technology Inc. in CN.

OUI prefix	40311B
Vendor	Genbyte Technology Inc.
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	40:31:1B:00:00:00

What this means

The IEEE assigned the MA-L block 40311B to Genbyte Technology Inc.. 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 40:31:1B, it is Genbyte Technology Inc. hardware.

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