Online Penetration Testing

These are some of the online tools that can be used for Information gathering

whois,trace,dns

http://networking.ringofsaturn.com/Tools/
http://network-tools.com/
http://www.t1shopper.com/tools/

namp online
http://nmap-online.com/

location finder
http://www.geobytes.com/IpLocator.htm
http://www.iplocationfinder.com/location.htm

tcp/ip port scan
http://www.topwebhosts.org/tools/portscan.php