Who owns MAC prefix D42DC5?

D42DC5 is registered to i-PRO Co., Ltd. in the IEEE MA-L registry.

What devices use D42DC5?

Any network device with a MAC address starting D4:2D:C5 was manufactured by or for i-PRO Co., Ltd..

MA-L · OUI prefix

i-PRO Co., Ltd.

Any MAC address starting D4:2D:C5 is registered to i-PRO Co., Ltd. in JP.

OUI prefix	D42DC5
Vendor	i-PRO Co., Ltd.
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	D4:2D:C5:00:00:00

What this means

The IEEE assigned the MA-L block D42DC5 to i-PRO 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 D4:2D:C5, it is i-PRO Co., Ltd. hardware.

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