Ostrosoft Internet Tools
A must-have networking tool if you are interested in network monitoring, port scanning, traceroute, ping and others. The download has hit 5 million since 1996.
The author reminds users with this note :
OstroSoft Internet Tools is not intended for hacking purposes, malicious attacks on networks and systems connected to the network, and other unlawful actions. Please remember - Internet is the best thing ever happened to mankind. Do not damage it.