Who owns MAC prefix D4EC0C?

D4EC0C is registered to Harley-Davidson Motor Company in the IEEE MA-L registry.

What devices use D4EC0C?

Any network device with a MAC address starting D4:EC:0C was manufactured by or for Harley-Davidson Motor Company.

MA-L · OUI prefix

Harley-Davidson Motor Company

Any MAC address starting D4:EC:0C is registered to Harley-Davidson Motor Company in US.

OUI prefix	D4EC0C
Vendor	Harley-Davidson Motor Company
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	D4:EC:0C:00:00:00

What this means

The IEEE assigned the MA-L block D4EC0C to Harley-Davidson Motor Company. 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:EC:0C, it is Harley-Davidson Motor Company hardware.

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