IP Subnet Links

1. Ralph Becker wrote a great IP Address Tutorial 9-7-2002
2. Understanding IP Addressing: Everything You Ever Wanted To Know by Chuck Semeria
   also here 6-16-2016
3. http://slideplayer.com/slide/5001426/
   presentation of Chuck Semeria's Understanding IP Addressing; presentation by Benyuan Liu for Internet Routing Seminar Sep 19, 2000.
4. IP Addresses, Subnet Masks, & Subnetting found at http://www.j51.com/~sshay/tcpip/ip/ip.htm