You get into that realm it just becomes massive so instead what we do is say you know he okay I know specifically how to get 642-902 to that one and %uh specifically how to get here and there and all my network since I dove my organization but when it comes to the Internet a minibuses that default route which says here's how you reach everything else so what did we see here and what do I wanted to do it well what we some is the IP addressing the fundamentals of it we saw how the a device is our address their if I how they figure out what neighborhood they are based on their subnet mask in finding their friends using our paid also finding their default gateway if they want to be able to get off their networker get out of their neighborhood but I would say the most important concept of all i