Apparatus and method for extracting user information using client-based script

A method of extracting user information using a client-based script, the method comprising:

• if a request for a webpage is received from a user, transmitting the webpage and a client-based script, which can be automatically executed in the user's web browser and can thus collect the user's network information;
• and
• allowing the client-based script to be automatically executed in the user's web browser, to generate the user's identifier, to set a socket communication between the user's computer and a monitoring server, to transmit the generated identifier to the monitoring server, and to issue a request for a webpage to the monitoring server;
• collecting the user's IP address during the setting of the socket communication and collecting the IP address of the proxy server during the issuing of the request for a webpage;
• and
• translating the user's IP address and the IP address of the proxy server into first location information and second location information and visualizing the first location information and the second location information.