One of the best tools to verify network connectivity after ping. Its a kind of combination between ping and traceroute. It shows you all host on your way (dependent on routing). Personal I find the packet loss overview very helpful especially if you have problems with your ****ing ISP.

You can get the MTR self installer for MAC OS X: here

Command syntax(please use with sudo):

sudo /usr/local/sbin/mtr 8.8.8.8

To be flexible on command line, create a bash-alias for mtr:

alias mtr='sudo /usr/local/sbin/mtr'