B&Tech System Inc.

Any device whose MAC address begins with 00:09:2E has a network interface built by B&Tech System 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

00:09:2E

Organization

B&Tech System Inc.

Address

#601, Seo-Jung B/D, 830-24, Youksam-Dong Seoul KR

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.