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In a Class A address, the default subnet mask is 255.0.0.0, allowing for a large number of hosts within a single network, but with 16 bits designated for the subnet ID, the subnet mask becomes 255.255.0.0. In contrast, a Class B address has a default subnet mask of 255.255.0.0, and with 8 bits for the subnet ID, the subnet mask would typically be 255.255.255.0. Thus, the key difference lies in the number of bits allocated for the subnet ID and the resulting subnet masks, affecting the number of available subnets and hosts per subnet.

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2mo ago

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What class has subnet mask 255.255.255.0?

The address you gave is not an IP address; it has the appearance of a subnet mask. It could be a class A or class B subnet mask.


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Class A default is 255.0.0.0 Class B default is 255.255.0.0 Class C default is 255.255.255.0


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it is a class c address..so default subnet mask is 255.255.255.0 it is a private address...


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The default subnet mask would be 255.255.0.0 for a class B address.


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Since this is a Class C address, the default network mask is 255.255.255.0.Since this is a Class C address, the default network mask is 255.255.255.0.Since this is a Class C address, the default network mask is 255.255.255.0.Since this is a Class C address, the default network mask is 255.255.255.0.


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Since 157.54.4.201 falls in the class B address range the default subnet mask would be: 255.255.0.0 128 - 191 is a class B address.


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