SHANGHAI XIANGCHENG COMMUNICATION TECHNOLOGY CO., LTD

Any device whose MAC address begins with DC:81:3D has a network interface built by SHANGHAI XIANGCHENG COMMUNICATION TECHNOLOGY CO., LTD. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

DC:81:3D

Organization

SHANGHAI XIANGCHENG COMMUNICATION TECHNOLOGY CO., LTD

Address

Room 211-5, Building 1, No. 290 Wankang Road, Minhang District Shanghai Shanghai CN 201100

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.