Networks. How to subnet?

Question

Computer networks

Good afternoon.
Help out, fellow experts!
How to subnet?
1. 162.14.0.0 into 12 subnets
2. 198.8.9.0 into 8
What mask should be used to split them? And how does it work out?
Absolutely tight with this) Thanks in advance
Source masks:
162.14.0.0/16
198.8.9.0/24

Answer 1

Correctly subnetting, in your case, means that at least n different combinations can fit between the source mask and the final mask. Simply put, the power of two in the number of bits we need to add to the original mask must be greater than or equal to n.
Let's take a look at your examples.
1. 162.14.0.0/16 for 12 subnets.
We take the nearest power of two that is greater than 12. 2^4 = 16. That is, the mask for the required subnets should be at least 16 + 4 = 20. I probably won’t renumber the subnets - this is not part of the task, and even if you have at least a little grasped the essence, I think it will be possible to renumber the subnets without difficulty.
2. 198.8.9.0/24 by 8
Similarly, we find the power of two. 2^3 = 8. Subnet mask - 24 + 3 = 27.

Answer 2

198.8.9.0/24 hit by mask 27 you get 30 hosts on the subnet
162.14.0.0/16 for 12 subnets you get about 5.4 thousand hosts, hit 19 you get 8 thousand hosts per subnet or 20 each then it will be 4 thousand hosts
In general, type in Google "IP calculator" and you will be happy. The ability to ask the right question contains half the answer.

Answer 3

ip-calculator.com