TRANSYSTEM INC.

Any device whose MAC address begins with 00:1C:88 has a network interface built by TRANSYSTEM 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

00:1C:88

Organization

TRANSYSTEM INC.

Address

No. 1-2, Li-Hsin Rd 1, Science-Based Industrial Park Hsinchu TW 300

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.