Who owns MAC prefix 002377?

002377 is registered to Isotek Electronics Ltd in the IEEE MA-L registry.

What devices use 002377?

Any network device with a MAC address starting 00:23:77 was manufactured by or for Isotek Electronics Ltd.

MA-L · OUI prefix

Isotek Electronics Ltd

Any MAC address starting 00:23:77 is registered to Isotek Electronics Ltd.

OUI prefix	002377
Vendor	Isotek Electronics Ltd
Registry	MA-L (24-bit, large block)
Example MAC	00:23:77:00:00:00

What this means

The IEEE assigned the MA-L block 002377 to Isotek Electronics 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 00:23:77, it is Isotek Electronics Ltd hardware.

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