On Sat, 2004-11-20 at 16:00, Bill Gradwohl wrote: > Joshua Andrews wrote: > > > I am looking for a network calculator that will take input in the form > > of, > > 67.160.0.0 : 67.191.255.255, and output the IP block in cidr > > notation, 67.160.0.0/11. > > > I remembered I wrote a script to do something like that a few years ago > and I called it cidrcalc. > FC3 has ipcalc, but it only seems to convert from CIDR to address and netmask rather than the other way around. Otherwise there is sipcalc and net-mgmt but these do not seem to be in FC3. Hint: I did a http://www.google.com/linux search for "cidr+calculator+linux". With Bill's script and ipcalc, I think you are there. HTH Chris