Useful URL's - Network Tools

Useful URL's - Network Tools

IP Subnet Calculator - http://www.subnet-calculator.com

DNS lookup's - http://www.dnssy.com/lookup.php
                         http://www.kloth.net/services/nslookup.php

IP trace, email trace - http://ipaddress.my (credits to Kim Loong, Liew)
                                   https://www.vpnmentor.com/tools/ipinfo/  (credits to Madeline H)
                                   http://www.ip-adress.com
                                   http://www.whatismyip.com

Bandwidth test - http://www.speedtest.net