If you've never heard of it, ARPANET was the predecessor to the now
public internet and I came across this map of the ENTIRE ARPANET network
while browsing at wikimedia:

http://upload.wikimedia.org/wikipedi...march-1977.png

this is a great site. Put in your IP address and find out who owns it.
This is ARP Technology to the max
http://map-o-net.com/