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



Address:   192.20.10.2           11000000.00010100.0000 1010.00000010
Netmask: 255.255.240.0 = 20 11111111.11111111.1111 0000.00000000
Wildcard: 0.0.15.255 00000000.00000000.0000 1111.11111111
=> Network: 192.20.0.0/20 11000000.00010100.0000 0000.00000000 (Class C)
Broadcast: 192.20.15.255 11000000.00010100.0000 1111.11111111
HostMin: 192.20.0.1 11000000.00010100.0000 0000.00000001
HostMax: 192.20.15.254 11000000.00010100.0000 1111.11111110
Hosts/Net: 4094

Subnets Netmask: 255.255.255.0 = 24 11111111.11111111.11111111 .00000000
Wildcard: 0.0.0.255 00000000.00000000.00000000 .11111111
Network: 192.20.0.0/24 11000000.00010100.00000000 .00000000 (Class C)
Broadcast: 192.20.0.255 11000000.00010100.00000000 .11111111
HostMin: 192.20.0.1 11000000.00010100.00000000 .00000001
HostMax: 192.20.0.254 11000000.00010100.00000000 .11111110
Hosts/Net: 254

Network: 192.20.1.0/24 11000000.00010100.00000001 .00000000 (Class C)
Broadcast: 192.20.1.255 11000000.00010100.00000001 .11111111
HostMin: 192.20.1.1 11000000.00010100.00000001 .00000001
HostMax: 192.20.1.254 11000000.00010100.00000001 .11111110
Hosts/Net: 254

Network: 192.20.2.0/24 11000000.00010100.00000010 .00000000 (Class C)
Broadcast: 192.20.2.255 11000000.00010100.00000010 .11111111
HostMin: 192.20.2.1 11000000.00010100.00000010 .00000001
HostMax: 192.20.2.254 11000000.00010100.00000010 .11111110
Hosts/Net: 254

Network: 192.20.3.0/24 11000000.00010100.00000011 .00000000 (Class C)
Broadcast: 192.20.3.255 11000000.00010100.00000011 .11111111
HostMin: 192.20.3.1 11000000.00010100.00000011 .00000001
HostMax: 192.20.3.254 11000000.00010100.00000011 .11111110
Hosts/Net: 254

Network: 192.20.4.0/24 11000000.00010100.00000100 .00000000 (Class C)
Broadcast: 192.20.4.255 11000000.00010100.00000100 .11111111
HostMin: 192.20.4.1 11000000.00010100.00000100 .00000001
HostMax: 192.20.4.254 11000000.00010100.00000100 .11111110
Hosts/Net: 254

Network: 192.20.5.0/24 11000000.00010100.00000101 .00000000 (Class C)
Broadcast: 192.20.5.255 11000000.00010100.00000101 .11111111
HostMin: 192.20.5.1 11000000.00010100.00000101 .00000001
HostMax: 192.20.5.254 11000000.00010100.00000101 .11111110
Hosts/Net: 254

Network: 192.20.6.0/24 11000000.00010100.00000110 .00000000 (Class C)
Broadcast: 192.20.6.255 11000000.00010100.00000110 .11111111
HostMin: 192.20.6.1 11000000.00010100.00000110 .00000001
HostMax: 192.20.6.254 11000000.00010100.00000110 .11111110
Hosts/Net: 254

Network: 192.20.7.0/24 11000000.00010100.00000111 .00000000 (Class C)
Broadcast: 192.20.7.255 11000000.00010100.00000111 .11111111
HostMin: 192.20.7.1 11000000.00010100.00000111 .00000001
HostMax: 192.20.7.254 11000000.00010100.00000111 .11111110
Hosts/Net: 254

Network: 192.20.8.0/24 11000000.00010100.00001000 .00000000 (Class C)
Broadcast: 192.20.8.255 11000000.00010100.00001000 .11111111
HostMin: 192.20.8.1 11000000.00010100.00001000 .00000001
HostMax: 192.20.8.254 11000000.00010100.00001000 .11111110
Hosts/Net: 254

Network: 192.20.9.0/24 11000000.00010100.00001001 .00000000 (Class C)
Broadcast: 192.20.9.255 11000000.00010100.00001001 .11111111
HostMin: 192.20.9.1 11000000.00010100.00001001 .00000001
HostMax: 192.20.9.254 11000000.00010100.00001001 .11111110
Hosts/Net: 254

Network: 192.20.10.0/24 11000000.00010100.00001010 .00000000 (Class C)
Broadcast: 192.20.10.255 11000000.00010100.00001010 .11111111
HostMin: 192.20.10.1 11000000.00010100.00001010 .00000001
HostMax: 192.20.10.254 11000000.00010100.00001010 .11111110
Hosts/Net: 254

Network: 192.20.11.0/24 11000000.00010100.00001011 .00000000 (Class C)
Broadcast: 192.20.11.255 11000000.00010100.00001011 .11111111
HostMin: 192.20.11.1 11000000.00010100.00001011 .00000001
HostMax: 192.20.11.254 11000000.00010100.00001011 .11111110
Hosts/Net: 254

Network: 192.20.12.0/24 11000000.00010100.00001100 .00000000 (Class C)
Broadcast: 192.20.12.255 11000000.00010100.00001100 .11111111
HostMin: 192.20.12.1 11000000.00010100.00001100 .00000001
HostMax: 192.20.12.254 11000000.00010100.00001100 .11111110
Hosts/Net: 254

Network: 192.20.13.0/24 11000000.00010100.00001101 .00000000 (Class C)
Broadcast: 192.20.13.255 11000000.00010100.00001101 .11111111
HostMin: 192.20.13.1 11000000.00010100.00001101 .00000001
HostMax: 192.20.13.254 11000000.00010100.00001101 .11111110
Hosts/Net: 254

Network: 192.20.14.0/24 11000000.00010100.00001110 .00000000 (Class C)
Broadcast: 192.20.14.255 11000000.00010100.00001110 .11111111
HostMin: 192.20.14.1 11000000.00010100.00001110 .00000001
HostMax: 192.20.14.254 11000000.00010100.00001110 .11111110
Hosts/Net: 254

Network: 192.20.15.0/24 11000000.00010100.00001111 .00000000 (Class C)
Broadcast: 192.20.15.255 11000000.00010100.00001111 .11111111
HostMin: 192.20.15.1 11000000.00010100.00001111 .00000001
HostMax: 192.20.15.254 11000000.00010100.00001111 .11111110
Hosts/Net: 254

Subnets: 16
Hosts: 4064

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.