# apt-get install ipcalc
laura@salnitre:~$ ipcalc 10.228.192.193/28 Address: 10.228.192.193 00001010.11100100.11000000.1100 0001 Netmask: 255.255.255.240 = 28 11111111.11111111.11111111.1111 0000 Wildcard: 0.0.0.15 00000000.00000000.00000000.0000 1111 => Network: 10.228.192.192/28 00001010.11100100.11000000.1100 0000 HostMin: 10.228.192.193 00001010.11100100.11000000.1100 0001 HostMax: 10.228.192.206 00001010.11100100.11000000.1100 1110 Broadcast: 10.228.192.207 00001010.11100100.11000000.1100 1111 Hosts/Net: 14 Class A, Private Internet
thnks guifi-aragon