METHOD FOR DETECTING NUMBER OF DEVICES, WHICH USE SAME PUBLIC IP AMONG MULTIPLE CLIENT TERMINALS ON PRIVATE NETWORK, FROM INTERNET ACCESS REQUEST TRAFFIC FROM CLIENT TERMINALS REQUESTING ACCESS TO INTERNET, AND SYSTEM FOR DETECTING STATE IN WHICH PUBLIC IP IS SHARED

摘要

The purpose of the present invention is to detect the number of multiple user client terminals on a private network, which use the same public IP. The present invention provides a detection method and a detection system using the same, which can count the number of client terminals connected to a router by counting the number of DNS request messages which have arrived at an analysis server during a predetermined period of time.