Phoenix....
Codice:
$ ipcalc --help
Usage: ipcalc [OPTION...]
-b, --broadcast Display calculated broadcast address
-h, --hostname Show hostname determined via DNS
-m, --netmask Display default netmask for IP (class A, B, or C)
-n, --network Display network address
-p, --prefix Display network prefix
-s, --silent Don't ever display error messages
Help options:
-?, --help Show this help message
--usage Display brief usage message
$ ipcalc -h 151.37.48.112
HOSTNAME=adsl-112-48.37-151.net24.it
Non so cosa dirti...