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Subnetting IT Network 192.168.1.0 and borrowing bits use IP Calculator

Subnetting IT Network 192.168.1.0 -  Private IP address C Classes range 

In order it clearer you see the next series of images which in another form exhibits the same (This calculations is made by 'IP calculator')

Borrowed 1 bit (will not generally borrows a bit because we have a little bit Subnet)
Figure 11.


Borrowed 2 bits (4 subnets, 2^2=4)
Figure 12.


Borrowed 3 bits (8 subnets, 2^3=8) (here's our IP 192.168.1.65)
Figure 12a.


Borrowed 4 bits (16 subnets, 2^4=16)
Figure 13.


Borrowed 5 bits (32 subnets, 2^5=32)
Figure 14.


Borrowed 6 bits (64 subnets, 2^6=64)
Figure 15.

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