built your own Ip to location

In this article I'm trying to explore how one can develop their own IP to Location like stuff. This article will explore simple TCPIP scoket programming. There are 5 registerer who keeps records of IP addressess Domain Name. I have developed open source whois project which is capable of query almost all domain extensions like .in , .uk, .com, .mobi etc. You can download it from here http://satalajwhois.codeplex.com/