Smartchip Integrated Inc.

Any device whose MAC address begins with B4:04:18 has a network interface built by Smartchip Integrated 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

B4:04:18

Organization

Smartchip Integrated Inc.

Address

9B,Science Plaza,1355 JinJiHu Avenue,Suzhou Industrial Park Suzhou Jiangsu CN 215021

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.