What Is Subnet Classes?
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Subnet classes are a way of dividing a network into smaller, more manageable subnetworks. Subnet classes are based on the IP address range used to identify each subnet. IP address ranges are divided into classes A, B, C, D and E, with each class having a different range of IP addresses available for use. Each class is further divided into subnets, which are identified by their subnet mask. Subnet masks are used to determine which IP addresses are part of a particular subnet, allowing devices on the same subnet to communicate with each other, while isolating those on different subnets from each other.