Articles Index

CIDR - Classless Inter-Domain Routing
CIDR - also called supernetting - is one system used by Internet routers to manage IP subnetworks. CIDR was developed in response to a shortage of IPv4 addresses and is described by a special CIDR notation.

IP Tutorial
A subnet mask allows IP networks to be subdivided for security and performance purposes. Learn about the basics of subnetting in this tutorial.

IP Address Survival Guide
IP addresses are the fundamental method for computers to identify themselves on the Internet and many other computer networks. This tutorial explains the basics of finding, changing, and hiding my IP addresses.

ipconfig
ipconfig is a command line utility in Microsoft Windows. ipconfig allows you to get the IP address information of a Windows computer. ipconfig also allows some control over active TCP/IP connections.