Net Tool Box

Net Tool Box is a versatile, multi-purpose networking utility, built from the ground up for Mac OS X. It includes all your favorite network analysis and troubleshooting tools plus many more, all in one easy to use application. Net Tool Box is the ultimate tool for network professionals, administrators and developers. It can perform all sorts of tasks, from simple DNS resolution, to full blown Host Interrogation. You can graphically map the loaction of an IP address, you can traceroute to almost any compuer on the internet, you can use the Terminals to perform protocol analysis and development.