Answer Posted / tushar

131.112.0.0 this ip add is from class B
Defualt sumbet mask is 255.255.0.0

We have 500 hosts per network
so, las 9 digit required for 512 hosts per network
Remaing 7 digit is used for subnetworks

Subnet mask will b 255.255.254.0 (Becz we have total
16+7= 23 digits)
we can creat 128 subnet (Becz we have 23 digits)

and remaing 9 digits for hosts per subnetwork.

No.of subnets Range of ip

1. 131.112.0.0 to 131.112.1.255
2. 131.112.2.0 to 131.112.3.255
3. 131.112.4.0 to 131.112.5.255
4.
--
--
128. 131.112.254.0 to 131.112.255.255

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