A2 CORPORATION

Any device whose MAC address begins with 00:10:43 has a network interface built by A2 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

00:10:43

Organization

A2 CORPORATION

Address

1-7-1 Togoshi Tokyo Shinagawa-ku JP 1420041

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.