Who owns MAC prefix 74E665?

74E665 is registered to Dynabook Technology (Hangzhou) Inc. in the IEEE MA-L registry.

What devices use 74E665?

Any network device with a MAC address starting 74:E6:65 was manufactured by or for Dynabook Technology (Hangzhou) Inc..

MA-L · OUI prefix

Dynabook Technology (Hangzhou) Inc.

Any MAC address starting 74:E6:65 is registered to Dynabook Technology (Hangzhou) Inc. in CN.

OUI prefix	74E665
Vendor	Dynabook Technology (Hangzhou) Inc.
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	74:E6:65:00:00:00

What this means

The IEEE assigned the MA-L block 74E665 to Dynabook Technology (Hangzhou) 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 74:E6:65, it is Dynabook Technology (Hangzhou) Inc. hardware.

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