Who owns MAC prefix 9CA577?

9CA577 is registered to Osorno Enterprises Inc. in the IEEE MA-L registry.

What devices use 9CA577?

Any network device with a MAC address starting 9C:A5:77 was manufactured by or for Osorno Enterprises Inc..

MA-L · OUI prefix

Osorno Enterprises Inc.

Any MAC address starting 9C:A5:77 is registered to Osorno Enterprises Inc..

OUI prefix	9CA577
Vendor	Osorno Enterprises Inc.
Registry	MA-L (24-bit, large block)
Example MAC	9C:A5:77:00:00:00

What this means

The IEEE assigned the MA-L block 9CA577 to Osorno Enterprises Inc.. 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 9C:A5:77, it is Osorno Enterprises Inc. hardware.

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