Who owns MAC prefix 4403778?

4403778 is registered to Gemmy Electronics (Shenzhen) Co, Ltd in the IEEE MA-M registry.

What devices use 4403778?

Any network device with a MAC address starting 44:03:77:8 was manufactured by or for Gemmy Electronics (Shenzhen) Co, Ltd.

MA-M · OUI prefix

Gemmy Electronics (Shenzhen) Co, Ltd

Any MAC address starting 44:03:77:8 is registered to Gemmy Electronics (Shenzhen) Co, Ltd in CN.

OUI prefix	4403778
Vendor	Gemmy Electronics (Shenzhen) Co, Ltd
Registry	MA-M (28-bit, medium block)
Country	CN
Example MAC	44:03:77:8:00:00:00

What this means

The IEEE assigned the MA-M block 4403778 to Gemmy Electronics (Shenzhen) 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 44:03:77:8, it is Gemmy Electronics (Shenzhen) Co, Ltd hardware.

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