Mayfield Robotics

Any device whose MAC address begins with 74:28:57 has a network interface built by Mayfield Robotics. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

74:28:57

Organization

Mayfield Robotics

Address

400 Convention Way Redwood City CA US 94063

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.