Comtrend Corporation

Any device whose MAC address begins with 34:47:63 has a network interface built by Comtrend 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

34:47:63

Organization

Comtrend Corporation

Address

3F-1,10 Lane 609, Chung Hsin Road, Section 5 Taipei Hsien TW 241 New Taipei City TW 241

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.