Who owns MAC prefix EC7C74?

EC7C74 is registered to Justone Technologies Co., Ltd. in the IEEE MA-L registry.

What devices use EC7C74?

Any network device with a MAC address starting EC:7C:74 was manufactured by or for Justone Technologies Co., Ltd..

MA-L · OUI prefix

Justone Technologies Co., Ltd.

Any MAC address starting EC:7C:74 is registered to Justone Technologies Co., Ltd. in CN.

OUI prefix	EC7C74
Vendor	Justone Technologies Co., Ltd.
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	EC:7C:74:00:00:00

What this means

The IEEE assigned the MA-L block EC7C74 to Justone Technologies Co., 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 EC:7C:74, it is Justone Technologies Co., Ltd. hardware.

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