The Internet set of networks are all based on the IP, the Internet Protocol. ``The Intenet Protocol (IP) takes care of addressing, or making sure that the routers know what to do with your data when it arrives." [p. 25]EK:UNIX
The data is transmitted in a series of small chunks, called packets, each approximately 1200 charaters in length.
The header of each packet includes the destination address of the system it is destined for. The address of that system is the IP address.
All IP addresses are made out of four fields of numbers 1..255 each.
Any packet containing IP addresses in the form
132.246.xxx.xxxare for systems owned by NRC.