VLSM (Variable Length, Sub netting, Masking)

Router1 (2 Host)
o Host = 4 = 22
o Customize Subnet = 32 - 2 = 30
o Block Size = 4
o Network 192.168.0.0 /30
o First IP 192.168.0.1
o Last IP 192.168.0.2
o Broadcast IP 192.168.0.3
 Router2 (2 Host)
o Host = 4 = 22
o Customize Subnet = 32 - 2 = 30
o Block Size = 4
o Network 192.168.0.4 /30
o First IP 192.168.0.5
o Last IP 192.168.0.6
o Broadcast IP 192.168.0.7
 Router3 (2 Host)
o Host = 4 = 22
o Customize Subnet = 32 - 2 = 30
o Block Size = 4
o Network 192.168.0.8 /30
o First IP 192.168.0.9
o Last IP 192.168.0.10
o Broadcast IP 192.168.0.11
 Router4 (2 Host)
o Host = 4 = 22
o Customize Subnet = 32 - 2 = 30
o Block Size = 4
o Network 192.168.0.12 /30
o First IP 192.168.0.13
o Last IP 192.168.0.14
o Broadcast IP 192.168.0.15
 House (8 Host)
o Host = 16 = 24
o Customize Subnet = 32 - 4 = 28
o Block Size = 16
o Network 192.168.0.16 /28
o First IP 192.168.0.117
o Last IP 192.168.0.30
o Broadcast IP 192.168.0.31
 Building (10 Host)
o Host = 16 = 24
o Customize Subnet = 32 - 4 = 28
o Block Size = 16
o Network 192.168.0.32 /28
o First IP 192.168.0.33
o Last IP 192.168.0.46
o Broadcast IP 192.168.0.47
 Government (18 Host)
o Host = 32 = 25
o Customize Subnet = 32 - 5 = 27
o Block Size = 32
o Network 192.168.0.48 /27
o First IP 192.168.0.49
o Last IP 192.168.0.78
o Broadcast IP 192.168.0.79
 Town (32 Host)
o Host = 64 = 26
o Customize Size = 32 - 6 = 26
o Block Size = 64
o Network = 192.168.0.80 /26
o First IP = 192.168.0.81
o Last IP = 192.168.0.122
o Broadcast IP = 192.168.0.123
 University (50 Host)
o Host = 128 = 27
o Customize Subnet = 32 - 7 = 25
o Block Size = 128
o Network = 192.168.0.124 /25
o First IP = 192.168.0.125
o Last IP = 192.168.0.250
o Broadcast IP = 192.168.0.251
 City (63 Host)
o Host = 128 = 27
o Customize Subnet = 32 - 7 = 25
o Block Size = 128
o Network 192.168.1.0 /25
o First IP 192.168.1.1
o Last IP 192.168.1.126
o Broadcast IP 192.168.1.127