Who owns MAC prefix 885FE82?

885FE82 is registered to Opto Engineering in the IEEE MA-M registry.

What devices use 885FE82?

Any network device with a MAC address starting 88:5F:E8:2 was manufactured by or for Opto Engineering.

MA-M · OUI prefix

Opto Engineering

Any MAC address starting 88:5F:E8:2 is registered to Opto Engineering in IT.

OUI prefix	885FE82
Vendor	Opto Engineering
Registry	MA-M (28-bit, medium block)
Country	IT
Example MAC	88:5F:E8:2:00:00:00

What this means

The IEEE assigned the MA-M block 885FE82 to Opto Engineering. 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 88:5F:E8:2, it is Opto Engineering hardware.

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