Who owns MAC prefix 7CE56B?

7CE56B is registered to ESEN Optoelectronics Technology Co.,Ltd. in the IEEE MA-L registry.

What devices use 7CE56B?

Any network device with a MAC address starting 7C:E5:6B was manufactured by or for ESEN Optoelectronics Technology Co.,Ltd..

MA-L · OUI prefix

ESEN Optoelectronics Technology Co.,Ltd.

Any MAC address starting 7C:E5:6B is registered to ESEN Optoelectronics Technology Co.,Ltd. in CN.

OUI prefix	7CE56B
Vendor	ESEN Optoelectronics Technology Co.,Ltd.
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	7C:E5:6B:00:00:00

What this means

The IEEE assigned the MA-L block 7CE56B to ESEN Optoelectronics Technology 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 7C:E5:6B, it is ESEN Optoelectronics Technology Co.,Ltd. hardware.

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