world's longest ping

http://www.blug.linux.no/rfc1149/pinglogg.txt

Command line utilities

http://www.proprofs.com/mwiki/index.php?title=TCP/IP_Utilities

The web in 1994

http://robot-club.com/lti/lycos/servers.html

Ways machines are found on a network

Can         We                 Buy                       Large                  Hard                        Drives    which stands for:
Cache      WINS             Broadcast              LmHosts              Hosts                        DNS

Active Directory in Networks Segmented by Firewalls

http://www.microsoft.com/downloads/thankyou.aspx?familyId=c2ef3846-43f0-4caf-9767-a9166368434e&displayLang=en

How the Internet works: ASNs

http://arstechnica.com/guides/other/peering-and-transit.ars

Spam lists and IPs

http://en.wikipedia.org/wiki/Spam_and_Open_Relay_Blocking_System

http://en.wikipedia.org/wiki/NJABL