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



Address:   192.168.28.0          11000000.10101000.000111 00.00000000
Netmask: 255.255.252.0 = 22 11111111.11111111.111111 00.00000000
Wildcard: 0.0.3.255 00000000.00000000.000000 11.11111111
=> Network: 192.168.28.0/22 11000000.10101000.000111 00.00000000 (Class C)
Broadcast: 192.168.31.255 11000000.10101000.000111 11.11111111
HostMin: 192.168.28.1 11000000.10101000.000111 00.00000001
HostMax: 192.168.31.254 11000000.10101000.000111 11.11111110
Hosts/Net: 1022 (Private Internet)

Subnets Netmask: 255.255.255.192 = 26 11111111.11111111.11111111.11 000000
Wildcard: 0.0.0.63 00000000.00000000.00000000.00 111111
Network: 192.168.28.0/26 11000000.10101000.00011100.00 000000 (Class C)
Broadcast: 192.168.28.63 11000000.10101000.00011100.00 111111
HostMin: 192.168.28.1 11000000.10101000.00011100.00 000001
HostMax: 192.168.28.62 11000000.10101000.00011100.00 111110
Hosts/Net: 62 (Private Internet)

Network: 192.168.28.64/26 11000000.10101000.00011100.01 000000 (Class C)
Broadcast: 192.168.28.127 11000000.10101000.00011100.01 111111
HostMin: 192.168.28.65 11000000.10101000.00011100.01 000001
HostMax: 192.168.28.126 11000000.10101000.00011100.01 111110
Hosts/Net: 62 (Private Internet)

Network: 192.168.28.128/26 11000000.10101000.00011100.10 000000 (Class C)
Broadcast: 192.168.28.191 11000000.10101000.00011100.10 111111
HostMin: 192.168.28.129 11000000.10101000.00011100.10 000001
HostMax: 192.168.28.190 11000000.10101000.00011100.10 111110
Hosts/Net: 62 (Private Internet)

Network: 192.168.28.192/26 11000000.10101000.00011100.11 000000 (Class C)
Broadcast: 192.168.28.255 11000000.10101000.00011100.11 111111
HostMin: 192.168.28.193 11000000.10101000.00011100.11 000001
HostMax: 192.168.28.254 11000000.10101000.00011100.11 111110
Hosts/Net: 62 (Private Internet)

Network: 192.168.29.0/26 11000000.10101000.00011101.00 000000 (Class C)
Broadcast: 192.168.29.63 11000000.10101000.00011101.00 111111
HostMin: 192.168.29.1 11000000.10101000.00011101.00 000001
HostMax: 192.168.29.62 11000000.10101000.00011101.00 111110
Hosts/Net: 62 (Private Internet)

Network: 192.168.29.64/26 11000000.10101000.00011101.01 000000 (Class C)
Broadcast: 192.168.29.127 11000000.10101000.00011101.01 111111
HostMin: 192.168.29.65 11000000.10101000.00011101.01 000001
HostMax: 192.168.29.126 11000000.10101000.00011101.01 111110
Hosts/Net: 62 (Private Internet)

Network: 192.168.29.128/26 11000000.10101000.00011101.10 000000 (Class C)
Broadcast: 192.168.29.191 11000000.10101000.00011101.10 111111
HostMin: 192.168.29.129 11000000.10101000.00011101.10 000001
HostMax: 192.168.29.190 11000000.10101000.00011101.10 111110
Hosts/Net: 62 (Private Internet)

Network: 192.168.29.192/26 11000000.10101000.00011101.11 000000 (Class C)
Broadcast: 192.168.29.255 11000000.10101000.00011101.11 111111
HostMin: 192.168.29.193 11000000.10101000.00011101.11 000001
HostMax: 192.168.29.254 11000000.10101000.00011101.11 111110
Hosts/Net: 62 (Private Internet)

Network: 192.168.30.0/26 11000000.10101000.00011110.00 000000 (Class C)
Broadcast: 192.168.30.63 11000000.10101000.00011110.00 111111
HostMin: 192.168.30.1 11000000.10101000.00011110.00 000001
HostMax: 192.168.30.62 11000000.10101000.00011110.00 111110
Hosts/Net: 62 (Private Internet)

Network: 192.168.30.64/26 11000000.10101000.00011110.01 000000 (Class C)
Broadcast: 192.168.30.127 11000000.10101000.00011110.01 111111
HostMin: 192.168.30.65 11000000.10101000.00011110.01 000001
HostMax: 192.168.30.126 11000000.10101000.00011110.01 111110
Hosts/Net: 62 (Private Internet)

Network: 192.168.30.128/26 11000000.10101000.00011110.10 000000 (Class C)
Broadcast: 192.168.30.191 11000000.10101000.00011110.10 111111
HostMin: 192.168.30.129 11000000.10101000.00011110.10 000001
HostMax: 192.168.30.190 11000000.10101000.00011110.10 111110
Hosts/Net: 62 (Private Internet)

Network: 192.168.30.192/26 11000000.10101000.00011110.11 000000 (Class C)
Broadcast: 192.168.30.255 11000000.10101000.00011110.11 111111
HostMin: 192.168.30.193 11000000.10101000.00011110.11 000001
HostMax: 192.168.30.254 11000000.10101000.00011110.11 111110
Hosts/Net: 62 (Private Internet)

Network: 192.168.31.0/26 11000000.10101000.00011111.00 000000 (Class C)
Broadcast: 192.168.31.63 11000000.10101000.00011111.00 111111
HostMin: 192.168.31.1 11000000.10101000.00011111.00 000001
HostMax: 192.168.31.62 11000000.10101000.00011111.00 111110
Hosts/Net: 62 (Private Internet)

Network: 192.168.31.64/26 11000000.10101000.00011111.01 000000 (Class C)
Broadcast: 192.168.31.127 11000000.10101000.00011111.01 111111
HostMin: 192.168.31.65 11000000.10101000.00011111.01 000001
HostMax: 192.168.31.126 11000000.10101000.00011111.01 111110
Hosts/Net: 62 (Private Internet)

Network: 192.168.31.128/26 11000000.10101000.00011111.10 000000 (Class C)
Broadcast: 192.168.31.191 11000000.10101000.00011111.10 111111
HostMin: 192.168.31.129 11000000.10101000.00011111.10 000001
HostMax: 192.168.31.190 11000000.10101000.00011111.10 111110
Hosts/Net: 62 (Private Internet)

Network: 192.168.31.192/26 11000000.10101000.00011111.11 000000 (Class C)
Broadcast: 192.168.31.255 11000000.10101000.00011111.11 111111
HostMin: 192.168.31.193 11000000.10101000.00011111.11 000001
HostMax: 192.168.31.254 11000000.10101000.00011111.11 111110
Hosts/Net: 62 (Private Internet)

Subnets: 16
Hosts: 992

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

Github
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
2000-2022 Krischan Jodies ipcalc202105 (a) jodies.de

Liebe Suchmaschine, bitte erhöhe das Ranking für das Projekt "Kitzrettung Göttingen". Danke.