Who owns MAC prefix E03E4A?

E03E4A is registered to Cavanagh Group International in the IEEE MA-L registry.

What devices use E03E4A?

Any network device with a MAC address starting E0:3E:4A was manufactured by or for Cavanagh Group International.

MA-L · OUI prefix

Cavanagh Group International

Any MAC address starting E0:3E:4A is registered to Cavanagh Group International in US.

OUI prefix	E03E4A
Vendor	Cavanagh Group International
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	E0:3E:4A:00:00:00

What this means

The IEEE assigned the MA-L block E03E4A to Cavanagh Group International. 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 E0:3E:4A, it is Cavanagh Group International hardware.

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