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.
Frequently Asked Questions
Who owns MAC prefix C82691?
C82691 is registered to Arista Networks, Inc. in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. Arista Networks, Inc.'s block covers 16,777,216 addresses.
What devices use C82691?
Any network device with a MAC address starting C8:26:91 was manufactured by or for Arista Networks, Inc..