Brain21, Inc.

Any device whose MAC address begins with 00:07:C8 has a network interface built by Brain21, 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

00:07:C8

Organization

Brain21, Inc.

Address

19F Mesa B/D, 204 Hoihyun-Dong Seoul KR 100-051

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.