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IP Networking NT2460 Instructor: Joseph Baker Student: Scott Cumston 09/21/2013 IP Addresses Classes and Special-Use IP Address Space An IP address is a unique address that different computers on a computer network use to identify and communicate with one another. An IP address is used as an identifier to find electronic devices connected to one another on a network. Therefore, each device in the network must have its own unique address. An IP address is like a mailing address that is used to deliver data to a computer. Some IP addresses are meant to be unique within the scope of the Internet, whereas others are meant to be unique within the scope of a specific network. When IP was first standardized in September 1981, the specification required that each system attached to an IP-based Internet be assigned a unique, 32-bit Internet address value. Systems that have interfaces to more than one network require a unique IP address for each network interface. To provide the flexibility required to than one network require a unique IP address for each network interface.... View Full Document

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