ipcalc: ipcalc (An IP Netmask/broadcast/etc calculator) ipcalc: ipcalc: ipcalc takes an IP address and netmask and calculates ipcalc: the resulting broadcast, network, Cisco wildcard mask, ipcalc: and host range. By giving a second netmask, you can ipcalc: design sub- and supernetworks. It is also intended to ipcalc: be a teaching tool and presents the results as ipcalc: easy-to-understand binary values. ipcalc: ipcalc: ipcalc: