IP Calculator / IP Subnetting


 Illegal value for ADDRESS (192.168.0.)

Address:   0                     00000000.00000000.00000000 .00000000
Netmask:   255.255.255.0 = 24    11111111.11111111.11111111 .00000000
Wildcard:  0.0.0.255             00000000.00000000.00000000 .11111111
=>
Network:   0.0.0.0/24            00000000.00000000.00000000 .00000000 (Class A)
Broadcast: 0.0.0.255             00000000.00000000.00000000 .11111111
HostMin:   0.0.0.1               00000000.00000000.00000000 .00000001
HostMax:   0.0.0.254             00000000.00000000.00000000 .11111110
Hosts/Net: 254                   


Subnets

Netmask:   255.255.255.224 = 27  11111111.11111111.11111111.111 00000
Wildcard:  0.0.0.31              00000000.00000000.00000000.000 11111

Network:   0.0.0.0/27            00000000.00000000.00000000.000 00000 (Class A)
Broadcast: 0.0.0.31              00000000.00000000.00000000.000 11111
HostMin:   0.0.0.1               00000000.00000000.00000000.000 00001
HostMax:   0.0.0.30              00000000.00000000.00000000.000 11110
Hosts/Net: 30                    


Network:   0.0.0.32/27           00000000.00000000.00000000.001 00000 (Class A)
Broadcast: 0.0.0.63              00000000.00000000.00000000.001 11111
HostMin:   0.0.0.33              00000000.00000000.00000000.001 00001
HostMax:   0.0.0.62              00000000.00000000.00000000.001 11110
Hosts/Net: 30                    


Network:   0.0.0.64/27           00000000.00000000.00000000.010 00000 (Class A)
Broadcast: 0.0.0.95              00000000.00000000.00000000.010 11111
HostMin:   0.0.0.65              00000000.00000000.00000000.010 00001
HostMax:   0.0.0.94              00000000.00000000.00000000.010 11110
Hosts/Net: 30                    


Network:   0.0.0.96/27           00000000.00000000.00000000.011 00000 (Class A)
Broadcast: 0.0.0.127             00000000.00000000.00000000.011 11111
HostMin:   0.0.0.97              00000000.00000000.00000000.011 00001
HostMax:   0.0.0.126             00000000.00000000.00000000.011 11110
Hosts/Net: 30                    


Network:   0.0.0.128/27          00000000.00000000.00000000.100 00000 (Class A)
Broadcast: 0.0.0.159             00000000.00000000.00000000.100 11111
HostMin:   0.0.0.129             00000000.00000000.00000000.100 00001
HostMax:   0.0.0.158             00000000.00000000.00000000.100 11110
Hosts/Net: 30                    


Network:   0.0.0.160/27          00000000.00000000.00000000.101 00000 (Class A)
Broadcast: 0.0.0.191             00000000.00000000.00000000.101 11111
HostMin:   0.0.0.161             00000000.00000000.00000000.101 00001
HostMax:   0.0.0.190             00000000.00000000.00000000.101 11110
Hosts/Net: 30                    


Network:   0.0.0.192/27          00000000.00000000.00000000.110 00000 (Class A)
Broadcast: 0.0.0.223             00000000.00000000.00000000.110 11111
HostMin:   0.0.0.193             00000000.00000000.00000000.110 00001
HostMax:   0.0.0.222             00000000.00000000.00000000.110 11110
Hosts/Net: 30                    


Network:   0.0.0.224/27          00000000.00000000.00000000.111 00000 (Class A)
Broadcast: 0.0.0.255             00000000.00000000.00000000.111 11111
HostMin:   0.0.0.225             00000000.00000000.00000000.111 00001
HostMax:   0.0.0.254             00000000.00000000.00000000.111 11110
Hosts/Net: 30                    



Subnets:   8 
Hosts:     240

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

Version 0.35.2 2005/07/07

Github
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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
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