Who owns MAC prefix 04DEF2?

04DEF2 is registered to Shenzhen ECOM Technology Co. Ltd in the IEEE MA-L registry.

What devices use 04DEF2?

Any network device with a MAC address starting 04:DE:F2 was manufactured by or for Shenzhen ECOM Technology Co. Ltd.

MA-L · OUI prefix

Shenzhen ECOM Technology Co. Ltd

Any MAC address starting 04:DE:F2 is registered to Shenzhen ECOM Technology Co. Ltd in CN.

OUI prefix	04DEF2
Vendor	Shenzhen ECOM Technology Co. Ltd
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	04:DE:F2:00:00:00

What this means

The IEEE assigned the MA-L block 04DEF2 to Shenzhen ECOM 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 04:DE:F2, it is Shenzhen ECOM Technology Co. Ltd hardware.

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