Arista Networks

Any device whose MAC address begins with 5C:16:C7 has a network interface built by Arista Networks. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

5C:16:C7

Organization

Arista Networks

Address

100 W Evelyn Mountain View CA US 94041

Source

IEEE OUI registry

Have a full MAC address? Look it up— we'll also tell you if it's a randomized (private) address rather than a real manufacturer prefix.