Which IPv4 address class contains a total of 16,384 networks?

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Class B IPv4 addresses are indeed structured to provide a total of 16,384 networks. This classification is determined by the way the address space is divided for different classes, each with its own network and host configurations.

In Class B addresses, the first two octets (the first 16 bits) designate the network portion of the address. The format for Class B addresses starts with the binary prefix 10, which means that the first bit is fixed as 1 and the second bit is fixed as 0. This leaves 14 bits available for creating the network identifiers, providing:

  • 2^14 = 16,384 potential network addresses.

Each of these networks can support a significant number of hosts because the remaining two octets (the last 16 bits) are used for host addresses within the network, allowing for 65,534 usable host addresses per network (2^16 - 2, accounting for network and broadcast addresses).

Classes A and C are configured differently; Class A has a much larger number of potential networks due to its single significant bit for networks, while Class C, on the other hand, supports many more networks but with fewer hosts per network. Class D is reserved for multicast rather than standard addressing, further

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