Who owns MAC prefix 0030E0?

0030E0 is registered to OXFORD SEMICONDUCTOR LTD. in the IEEE MA-L registry.

What devices use 0030E0?

Any network device with a MAC address starting 00:30:E0 was manufactured by or for OXFORD SEMICONDUCTOR LTD..

MA-L · OUI prefix

OXFORD SEMICONDUCTOR LTD.

Any MAC address starting 00:30:E0 is registered to OXFORD SEMICONDUCTOR LTD..

OUI prefix	0030E0
Vendor	OXFORD SEMICONDUCTOR LTD.
Registry	MA-L (24-bit, large block)
Example MAC	00:30:E0:00:00:00

What this means

The IEEE assigned the MA-L block 0030E0 to OXFORD SEMICONDUCTOR 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 00:30:E0, it is OXFORD SEMICONDUCTOR LTD. hardware.

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