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Class C network
Last modified: Friday, March 11, 2005
In a 32-bit IP address, the number of bits used to identify the network and the host vary according to the network class of the address. In a Class C network, the first 3 bits, or the high-order bits, are always "110." The next 21 bits are used to define the Class C network, and the final eight bits are used to identify the host. The IP address is represented in dotted decimal notation of four 8-bit fields, or octets, that have been converted from binary to decimal numbers.
IP addressing tutorial This short tutorial convers the basics of IP addressing and includes a form to enter an IP address and find out its class, network address and node address.
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