METHOD FOR DETECTING A NUMBER OF THE SELECTED DEVICES OF A PLURALITY OF CLIENT TERMINALS FROM THE INTERNET REQUEST TRAFFICS SHARING THE PUBLIC IP ADDRESS AND SYSTEM FOR DETECTING SELECTIVELY THE SAME

摘要

The present invention relates to a system to detect the number of devices on private networks using the same public IP address based on the types of the devices among a plurality of devices using the same public IP. More specifically, as a plurality of client terminals use a single public IP on the Internet service network provided by an Internet service provider by using a network address translation (NAT) or a router, which run through IP address conversion, the present invention is to detect subscribers who access the Internet by exceeding the number of Internet lines allowed to the subscribers by the ISP by using a router.