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ip subnet calculator.md

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Utilities and Tools for dealing with networks

ipcalc: short, simple, useful

# $ ipcalc 192.168.0.2
Address:   192.168.0.2          11000000.10101000.00000000. 00000010
Netmask:   255.255.255.0 = 24   11111111.11111111.11111111. 00000000
Wildcard:  0.0.0.255            00000000.00000000.00000000. 11111111
=>
Network:   192.168.0.0/24       11000000.10101000.00000000. 00000000
HostMin:   192.168.0.1          11000000.10101000.00000000. 00000001
HostMax:   192.168.0.254        11000000.10101000.00000000. 11111110
Broadcast: 192.168.0.255        11000000.10101000.00000000. 11111111
Hosts/Net: 254                   Class C, Private Internet

# $ ipcalc 192.168.0.2/255.255.255.128
Address:   192.168.0.2          11000000.10101000.00000000.0 0000010
Netmask:   255.255.255.128 = 25 11111111.11111111.11111111.1 0000000
Wildcard:  0.0.0.127            00000000.00000000.00000000.0 1111111
=>
Network:   192.168.0.0/25       11000000.10101000.00000000.0 0000000
HostMin:   192.168.0.1          11000000.10101000.00000000.0 0000001
HostMax:   192.168.0.126        11000000.10101000.00000000.0 1111110
Broadcast: 192.168.0.127        11000000.10101000.00000000.0 1111111
Hosts/Net: 126                   Class C, Private Internet