Traceroute is a network diagnostic command-line tool used to track in real-time the pathway taken by a packet on an IP network from source to destination. The tool also records the time taken for each hop. Traceroute command is useful to identify network bottlenecks packet routing issues, and to get information about network infrastructure, including how many routers are between your computer and the target system. Check out a more detailed explanation of what Traceroute command is.