Xiamen Intretech Inc.

Any device whose MAC address begins with A4:0D:BC has a network interface built by Xiamen Intretech 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

A4:0D:BC

Organization

Xiamen Intretech Inc.

Address

FL 7 NO 588 JIAHE RD TORCH CARDEN HIGH-TECH ZONE Xiamen FUJIAN CN 361006

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.