Internet ( short for interconnection - networking) is an entire network of computers connected together using the global system standard Transmission Control Protocol / Internet Protocol Suite ( TCP / IP ) as the protocol of packet switching (packet switching communication protocol) to serve billions of users worldwide. The largest Internet circuit called the Internet. Corpnet provide internet for company and institution through our technology fiber to the home or we know it as FTTH technology. Through this FTTH, Corpnet provide reliable internet access network sevices without being disturbed by bad weather and electromagnetic interference. Fiber optic also capable of data transfer  (bandwidth) is greater (Giga bits per second).