Surf Communications Inc.

Any device whose MAC address begins with 00:12:9E has a network interface built by Surf Communications 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

00:12:9E

Organization

Surf Communications Inc.

Address

Room 313, 3F, Bldg.52, No. 195, Chung Hsing Rd., Sec 4, Chutung, HsinChu, Taiwan HsinChu TW 310

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.