Who owns MAC prefix 44AD19?

44AD19 is registered to XINGFEI （H.K）LIMITED in the IEEE MA-L registry.

What devices use 44AD19?

Any network device with a MAC address starting 44:AD:19 was manufactured by or for XINGFEI （H.K）LIMITED.

MA-L · OUI prefix

XINGFEI （H.K）LIMITED

Any MAC address starting 44:AD:19 is registered to XINGFEI （H.K）LIMITED in CN.

OUI prefix	44AD19
Vendor	XINGFEI （H.K）LIMITED
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	44:AD:19:00:00:00

What this means

The IEEE assigned the MA-L block 44AD19 to XINGFEI （H.K）LIMITED. 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:AD:19, it is XINGFEI （H.K）LIMITED hardware.

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