Thanx a lot guys, for sharing the links. I went through them, both the links are quite useful. I think one can easily find out the proper location of the dc as well.
Using whois on an IP address seems to yeild a bunch of info including the person IPs are registered to. GeoIP can allow you to see where the general location of the server is.
For whois search you can also use http://www.dnsstuff.com/ as it gives some extra information and also tries to locate the data center using Google maps