Who owns MAC prefix A444D1?

A444D1 is registered to Wingtech Group (HongKong）Limited in the IEEE MA-L registry.

What devices use A444D1?

Any network device with a MAC address starting A4:44:D1 was manufactured by or for Wingtech Group (HongKong）Limited.

MA-L · OUI prefix

Wingtech Group (HongKong）Limited

Any MAC address starting A4:44:D1 is registered to Wingtech Group (HongKong）Limited in HK.

OUI prefix	A444D1
Vendor	Wingtech Group (HongKong）Limited
Registry	MA-L (24-bit, large block)
Country	HK
Example MAC	A4:44:D1:00:00:00

What this means

The IEEE assigned the MA-L block A444D1 to Wingtech Group (HongKong）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 A4:44:D1, it is Wingtech Group (HongKong）Limited hardware.

Other Wingtech Group (HongKong）Limited prefixes

Wingtech Group (HongKong）Limited holds 6 registered blocks in total.

14169E 2C5731 541473 B02A1F C45781

Look up another MAC