What this means
The IEEE assigned the MA-L block B492FE to Arista Network, 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 B4:92:FE, it is Arista Network, Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix B492FE?
B492FE is registered to Arista Network, 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 Network, Inc.'s block covers 16,777,216 addresses.
What devices use B492FE?
Any network device with a MAC address starting B4:92:FE was manufactured by or for Arista Network, Inc..