Web Directory

» IP 101: All About IP Addresses
   NetworkComputing tutorial on IP Addresses
   http://www.networkcomputing.com/netdesign/ip101.html

» IP Address Subnetting Tutorial
   A technical introduction to IP addressing and address subnetting in an easy-to-understand tutorial format.
   http://www.ralphb.net/IPSubnet/

» IP Addresses
   A Cisco document explaining what IP addresses are. [HTML/PDF]
   http://www.cisco.com/univercd/cc/td/doc/product/atm/l2020/2020r21x/planning/appndxa.htm#xtocid87490

» IP Addressing for Internet Data Centers
   Intel document describing IP Addressing concerns for the implementation of public Internet data centers including future trends.
   http://download.intel.com/technology/itj/q42000/pdf/ipaddress.pdf

» Internet Protocol Addressing and the Domain Name System
   Detailed tutorial covering IP address and CIDR allocation, name resolution, and DNS. Includes examples, tools, and references.
   http://www.samspade.org/d/ipdns.html

» Network Calculators
   A subnet mask and network/node calculator including IP address and mask conversion.
   http://www.subnetmask.info

» Online IP Subnet Calculator
   Online IP subnet, CIDR/VLSM/supernet and wildcard mask calculators.
   http://www.subnet-calculator.com/

» Subnet Addressing
   Very clear explanation on the issue of IP addressing and subnetting
   http://www.networkcomputing.com/unixworld/tutorial/001.html

» SubnetOnline.com
   Online IP subnet calculators, subnetting tutorials and online network tools for IPv4 and IPv6.
   http://www.subnetonline.com/

» Wikipedia: Subnetwork
   A detailed article about subnetting from the free encyclopedia.
   http://en.wikipedia.org/wiki/Subnetwork