Classification of IPv4 addresses. Source

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11000000.10101000.00000001.00001010

Taking into account the subnet mask, we take the first 24 bits (11000000.10101000.00000001), which corresponds to 192.168.1. So this will be our network, and the 10 at the end is the device number.

A sysadmin is no longer a person who configures lebanon telegram data computers. Become a strong specialist who supports the company's infrastructure.
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A sysadmin is no longer a person who configures computers. Become a strong specialist who supports the company's infrastructure.
How to choose a subnet mask
The subnet mask shows the number of bits in the network number. For example, 255.0.0.0. is a large network (class A), the number here takes up only 8 bits, and 255.255.255.0 is a small network (class C), the network number is indicated by three numbers at once.

Division of IPv4 addresses into classes
In class C, the default subnet mask is 255.255.255.0. But it can be configured manually:

1. Determine the size of your network

Calculate how many devices you plan to connect. It is important to take into account all computers, printers, routers, etc.

2. Calculate how many addresses you need