A Cisco document explaining what IP addresses are. [HTML/PDF]

NetworkComputing tutorial on IP Addresses

Byte Magazine article covering issues related to IP address management

A technical introduction to IP addressing and address subnetting in an easy-to-understand tutorial format.

Very clear explanation on the issue of IP addressing and subnetting

Explanation of how IP addressing works.

Detailed tutorial covering IP address and CIDR allocation, name resolution, and DNS. Includes examples, tools, and references.

John S. Quaterman explains how to avoid renumbering IP networks. Originally published in SunExpert Magazine, November, 1997. [PDF format]

S. Lee Henry explains how to understand and calculate netmasks. Originally published in SunExpert Magazine, May, 1998. [PDF format]

Online IP subnet, CIDR, supernet and wildcard mask calculators .

Intel document describing IP Addressing concerns for the implementation of public Internet data centers including future trends.

Provides subnetting tutorials, calculators and other tools.

A subnet mask and network/node calculator including IP address and mask conversion.