TM-Research Inc.

Any device whose MAC address begins with A8:C2:22 has a network interface built by TM-Research Inc.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

A8:C2:22

Organization

TM-Research Inc.

Address

Hiyoshi Honcho 1-15-4 Yokohama Kanagawa JP 223-0062

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.