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Definition: The IP address is a default for some types of network routers including Cisco brand routers. This address may also be used by network servers. is sometimes called a default gateway address as it typically represents the local side of a router's connection to the Internet. is more commonly found in business networks than in homes, which tend to use routers having default addresses in the 192.168.x.x series. Both the 10.x.x.x and 192.168.x.x series are private IP address ranges.

For students: in classful IP networks, is a class A address with default subnet mask

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