I learned a new command: sipcalc.
It calculates ip stuff.
Install:
apt-get install sipcalc
Usage:
bdeferme @ iris:~$ sipcalc 172.0.1.0/16 -[ipv4 : 172.0.1.0/16] - 0 [CIDR] Host address - 172.0.1.0 Host address (decimal) - 2885681408 Host address (hex) - AC000100 Network address - 172.0.0.0 Network mask - 255.255.0.0 Network mask (bits) - 16 Network mask (hex) - FFFF0000 Broadcast address - 172.0.255.255 Cisco wildcard - 0.0.255.255 Addresses in network - 65536 Network range - 172.0.0.0 - 172.0.255.255 Usable range - 172.0.0.1 - 172.0.255.254 -


