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: