"Wahai jin dan manusia, jika kalian mampu menembus penjuru langit dan bumi, tembuslah! Kalian tidak dapat menembusnya kecuali dengan kekuatan (ilmu)." (Ar-Rahman:33)

If you have Network ID  and Subnet Mask:

Network ID : 192.168.10.0
SM              : 255.255.255.224


how to know the number of subnets?
255.255.255.224
convert to biner
11111111.11111111.11111111.11100000
calculate amount of subnet with use “1” from oktat fourth.
amount of subnets = 2n – 2 = 23 -2=6.
so, calculate subnet:
256-224 = 32
multiples of 32 from 0 to 224 is 32,64,96,128,160,192.


how to know the number of host foreach subnet?
255.255.255.224
convert to biner
11111111.11111111.11111111.11100000
calculate host foreach subnet with use “0” from oktat fourth.
amount of host foreach subnet : 2n – 2 = 25 -2=30.


So, a group of IP addresses that are available are:
a. 192.168.10.32 to 192.168.10.63
b. 192.168.10.64 to 192.168.10.95
c. 192.168.10.96 to 192.168.10.127
d. 192.168.10.128 to 192.168.10.159
e. 192.168.10.160 to 192.168.10.191
f. 192.168.10.192 to 192.168.10.223

Network ID address is:
192.168.10.32
192.168.10.64
192.168.10.96
192.168.10.128
192.168.10.160
192.168.10.192

Network Address – The address by which we refer to the network.

Broadcast address is:
192.168.10.63
192.168.10.95
192.168.10.127
192.168.10.159
192.168.10.191
192.168.10.223

Broadcast Address – A special address used to send data to all hosts in the network.

IP address is:
a. 192.168.10.33 to 192.168.10.62
b. 192.168.10.65 to 192.168.10.94
c. 192.168.10.97 to 192.168.10.126
d. 192.168.10.129 to 192.168.10.158
e. 192.168.10.161 to 192.168.10.190
f. 192.168.10.193 to 192.168.10.222

Host Address – The addresses assigned to the end devices in the network.


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