- WIZnet is a private, fabless semiconductor company, founded in Korea in 1998. Products include an Internet Processor, the iMCU™, which is specialized by TOE (TCP/IP Offload Engine) technology, based on a unique, patented Fully Hardwired TCP/IP. The iMCU™ is aimed at Embedded Internet Devices in a wide variety of applications, segmented both locally and regionally.