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



Address:   192.168.0.130         11000000.10101000.00000000.100 00010
Netmask: 255.255.255.224 = 27 11111111.11111111.11111111.111 00000
Wildcard: 0.0.0.31 00000000.00000000.00000000.000 11111
=> Network: 192.168.0.128/27 11000000.10101000.00000000.100 00000 (Class C)
Broadcast: 192.168.0.159 11000000.10101000.00000000.100 11111
HostMin: 192.168.0.129 11000000.10101000.00000000.100 00001
HostMax: 192.168.0.158 11000000.10101000.00000000.100 11110
Hosts/Net: 30 (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