Who owns MAC prefix 540F2C?

540F2C is registered to Arista Networks in the IEEE MA-L registry.

What devices use 540F2C?

Any network device with a MAC address starting 54:0F:2C was manufactured by or for Arista Networks.

MA-L · OUI prefix

Arista Networks

Any MAC address starting 54:0F:2C is registered to Arista Networks in US.

OUI prefix	540F2C
Vendor	Arista Networks
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	54:0F:2C:00:00:00

What this means

The IEEE assigned the MA-L block 540F2C to Arista Networks. 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 54:0F:2C, it is Arista Networks hardware.

Other Arista Networks prefixes

Arista Networks holds 49 registered blocks in total.

001C73 189CE1 1C8C6E 28993A 28E71D 2CDDE9 382CDB 3838A6 444CA8 4C0997 58D469 5C16C7 all 49 »

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