Advanced & Wise Technology Corp.

Any device whose MAC address begins with EC:5B:73 has a network interface built by Advanced & Wise Technology Corp.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

EC:5B:73

Organization

Advanced & Wise Technology Corp.

Address

5F, No. 3-2, Industry East 9th Road, Hsinchu Science Park, Hsinchu City Hsinchu TW 30075

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.