Who owns MAC prefix D40DAB?

D40DAB is registered to Shenzhen Cudy Technology Co., Ltd. in the IEEE MA-L registry.

What devices use D40DAB?

Any network device with a MAC address starting D4:0D:AB was manufactured by or for Shenzhen Cudy Technology Co., Ltd..

MA-L · OUI prefix

Shenzhen Cudy Technology Co., Ltd.

Any MAC address starting D4:0D:AB is registered to Shenzhen Cudy Technology Co., Ltd. in CN.

OUI prefix	D40DAB
Vendor	Shenzhen Cudy Technology Co., Ltd.
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	D4:0D:AB:00:00:00

What this means

The IEEE assigned the MA-L block D40DAB to Shenzhen Cudy 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 D4:0D:AB, it is Shenzhen Cudy Technology Co., Ltd. hardware.

Other Shenzhen Cudy Technology Co., Ltd. prefixes

Shenzhen Cudy Technology Co., Ltd. holds 4 registered blocks in total.

80AFCA B44BD62 F4A4548

Look up another MAC