1.

An organization is granted the block 130.34.12.64/26. The organization needs to have four subnets. What are the subnet addresses and the range of address for each subnet?

Answer»

/26 MEANS subnet is 255.255.255.192

if you make it /28 that is subnet 255.255.255.240 you can get four subnets with 14 use able IPs in each subnet

Subnets

Netmask:   255.255.255.240 = 28  11111111.11111111.11111111.1111 0000

Wildcard:  0.0.0.15              00000000.00000000.00000000.0000 1111

Network:   130.34.12.64/28       10000010.00100010.00001100.0100 0000 (Class B)

Broadcast: 130.34.12.79          10000010.00100010.00001100.0100 1111

HostMin:   130.34.12.65          10000010.00100010.00001100.0100 0001

HostMax:   130.34.12.78          10000010.00100010.00001100.0100 1110

HOSTS/Net: 14                    

Network:   130.34.12.80/28       10000010.00100010.00001100.0101 0000 (Class B)

Broadcast: 130.34.12.95          10000010.00100010.00001100.0101 1111

HostMin:   130.34.12.81          10000010.00100010.00001100.0101 0001

HostMax:   130.34.12.94          10000010.00100010.00001100.0101 1110

Hosts/Net: 14                    

Network:   130.34.12.96/28       10000010.00100010.00001100.0110 0000 (Class B)

Broadcast: 130.34.12.111         10000010.00100010.00001100.0110 1111

HostMin:   130.34.12.97          10000010.00100010.00001100.0110 0001

HostMax:   130.34.12.110         10000010.00100010.00001100.0110 1110

Hosts/Net: 14                    

Network:   130.34.12.112/28      10000010.00100010.00001100.0111 0000 (Class B)

Broadcast: 130.34.12.127         10000010.00100010.00001100.0111 1111

HostMin:   130.34.12.113         10000010.00100010.00001100.0111 0001

HostMax:   130.34.12.126         10000010.00100010.00001100.0111 1110

Hosts/Net: 14                    

Subnets:   4  

Hosts:     56


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