Address (Host or Network) Netmask (i.e. 24) Netmask for sub/supernet (optional)
/ move to:
 



Address:   192.168.24.0          11000000.10101000.000110 00.00000000
Netmask: 255.255.252.0 = 22 11111111.11111111.111111 00.00000000
Wildcard: 0.0.3.255 00000000.00000000.000000 11.11111111
=> Network: 192.168.24.0/22 11000000.10101000.000110 00.00000000 (Class C)
Broadcast: 192.168.27.255 11000000.10101000.000110 11.11111111
HostMin: 192.168.24.1 11000000.10101000.000110 00.00000001
HostMax: 192.168.27.254 11000000.10101000.000110 11.11111110
Hosts/Net: 1022 (Private Internet)


Thanks to http://www.netzwerkinfo.de/daemons/ for this ip calculator icon :-)
Version 0.35.2 2005/07/07

Download
07/27/2006 Security information
Screenshot (ipcalc works also at the prompt)
CGI wrapper that produced this page.
Archive
Have a look in the archives for the new version 0.41, with the capability to deaggregate network ranges
How to run this under windows
Debian users can apt-get install ipcalc
2000-2011 Krischan Jodies

Dear search engines: Please increase the ranking of our local Hackerspace / CCC Göttingen