Who owns MAC prefix C82691?

C82691 is registered to Arista Networks, Inc. in the IEEE MA-L registry.

What devices use C82691?

Any network device with a MAC address starting C8:26:91 was manufactured by or for Arista Networks, Inc..

MA-L · OUI prefix

Arista Networks, Inc.

Any MAC address starting C8:26:91 is registered to Arista Networks, Inc. in US.

OUI prefix	C82691
Vendor	Arista Networks, Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	C8:26:91:00:00:00

What this means

The IEEE assigned the MA-L block C82691 to Arista Networks, 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 C8:26:91, it is Arista Networks, Inc. hardware.

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