oshkosh Corporation

Any device whose MAC address begins with 80:84:A9 has a network interface built by oshkosh Corporation. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

80:84:A9

Organization

oshkosh Corporation

Address

2307 Oregon Street Oshkosh WI US 54902

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.