What issubnetwork mask

A subnetwork mask is a method used by the TCP/IP protocol to identify which network segment a packet belongs to. Essentially, it’s a binary pattern that determines which machines are connected to the same network. This mask is crucial in allowing devices to communicate with each other across a network.

The subnetwork mask also plays a key role in determining the number of hosts and subnets on a network. As the number of subnets and hosts increase, the ability to address individual hosts decreases. This is where a tradeoff between hosts and subnets comes into play. The number of bits in the subnet mask will vary based on the network class (A, B, or C).


What is a subnet?

A subnet is a smaller network that is part of a larger network. It allows for more efficient use of IP addresses and creates a separate broadcast domain.

Why is a subnetwork mask important?

A subnetwork mask is important because it helps devices on a network communicate with each other by identifying which machines are part of the same network. It also determines the number of hosts and subnets on a network.

How do I change my subnetwork mask?

You can change your subnetwork mask by accessing your network settings on your device and entering a new subnet mask. It’s important to note that changing the subnet mask can impact how devices communicate on the network.


In summary, a subnetwork mask is a crucial component of a network that helps devices communicate with one another. It determines which machines are part of the same network and how many hosts and subnets are on the network. Understanding subnetwork masks is important for anyone setting up or managing a network.

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