dealing with web application in python

hello guys i'm wondering the best way to deal with web application

i want to make python script to open http://whois.arin.net then query ip to get information

in this case i use urllib but actually it'a not Interaction with it !! when i save result it's show that message Query terms are too ambiguous. Please refine query. or some site else show error or access denied !

so tell me guys how to handling this problem !

I dunno mb some kind of unstable hack...

You can wget in following style and then grep. eg. for ip 94.100.191.201

http://whois.arin.net/?flushCache=false&q=94.100.191.201&whoisSubmitButton=+