(one of my favorite sites ;-)), we can use ping like this:

, we would do this:

requires traversing 16 routers. For routers that provide identifying information, we see their hostnames, IP addresses, and performance data, which include three samples of round-trip time from the local system to the router. For routers that do not provide identifying information (because of router configuration, network congestion, firewalls, etc.), we see asterisks as in the line for hop number two. gives an explanation of the commands entered during this session.

., we could do this:

.