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



Address:   10.19.0.0             00001010.00010011 .00000000.00000000
Netmask: 255.255.0.0 = 16 11111111.11111111 .00000000.00000000
Wildcard: 0.0.255.255 00000000.00000000 .11111111.11111111
=> Network: 10.19.0.0/16 00001010.00010011 .00000000.00000000 (Class A)
Broadcast: 10.19.255.255 00001010.00010011 .11111111.11111111
HostMin: 10.19.0.1 00001010.00010011 .00000000.00000001
HostMax: 10.19.255.254 00001010.00010011 .11111111.11111110
Hosts/Net: 65534 (Private Internet)

Subnets Netmask: 255.255.240.0 = 20 11111111.11111111.1111 0000.00000000
Wildcard: 0.0.15.255 00000000.00000000.0000 1111.11111111
Network: 10.19.0.0/20 00001010.00010011.0000 0000.00000000 (Class A)
Broadcast: 10.19.15.255 00001010.00010011.0000 1111.11111111
HostMin: 10.19.0.1 00001010.00010011.0000 0000.00000001
HostMax: 10.19.15.254 00001010.00010011.0000 1111.11111110
Hosts/Net: 4094 (Private Internet)

Network: 10.19.16.0/20 00001010.00010011.0001 0000.00000000 (Class A)
Broadcast: 10.19.31.255 00001010.00010011.0001 1111.11111111
HostMin: 10.19.16.1 00001010.00010011.0001 0000.00000001
HostMax: 10.19.31.254 00001010.00010011.0001 1111.11111110
Hosts/Net: 4094 (Private Internet)

Network: 10.19.32.0/20 00001010.00010011.0010 0000.00000000 (Class A)
Broadcast: 10.19.47.255 00001010.00010011.0010 1111.11111111
HostMin: 10.19.32.1 00001010.00010011.0010 0000.00000001
HostMax: 10.19.47.254 00001010.00010011.0010 1111.11111110
Hosts/Net: 4094 (Private Internet)

Network: 10.19.48.0/20 00001010.00010011.0011 0000.00000000 (Class A)
Broadcast: 10.19.63.255 00001010.00010011.0011 1111.11111111
HostMin: 10.19.48.1 00001010.00010011.0011 0000.00000001
HostMax: 10.19.63.254 00001010.00010011.0011 1111.11111110
Hosts/Net: 4094 (Private Internet)

Network: 10.19.64.0/20 00001010.00010011.0100 0000.00000000 (Class A)
Broadcast: 10.19.79.255 00001010.00010011.0100 1111.11111111
HostMin: 10.19.64.1 00001010.00010011.0100 0000.00000001
HostMax: 10.19.79.254 00001010.00010011.0100 1111.11111110
Hosts/Net: 4094 (Private Internet)

Network: 10.19.80.0/20 00001010.00010011.0101 0000.00000000 (Class A)
Broadcast: 10.19.95.255 00001010.00010011.0101 1111.11111111
HostMin: 10.19.80.1 00001010.00010011.0101 0000.00000001
HostMax: 10.19.95.254 00001010.00010011.0101 1111.11111110
Hosts/Net: 4094 (Private Internet)

Network: 10.19.96.0/20 00001010.00010011.0110 0000.00000000 (Class A)
Broadcast: 10.19.111.255 00001010.00010011.0110 1111.11111111
HostMin: 10.19.96.1 00001010.00010011.0110 0000.00000001
HostMax: 10.19.111.254 00001010.00010011.0110 1111.11111110
Hosts/Net: 4094 (Private Internet)

Network: 10.19.112.0/20 00001010.00010011.0111 0000.00000000 (Class A)
Broadcast: 10.19.127.255 00001010.00010011.0111 1111.11111111
HostMin: 10.19.112.1 00001010.00010011.0111 0000.00000001
HostMax: 10.19.127.254 00001010.00010011.0111 1111.11111110
Hosts/Net: 4094 (Private Internet)

Network: 10.19.128.0/20 00001010.00010011.1000 0000.00000000 (Class A)
Broadcast: 10.19.143.255 00001010.00010011.1000 1111.11111111
HostMin: 10.19.128.1 00001010.00010011.1000 0000.00000001
HostMax: 10.19.143.254 00001010.00010011.1000 1111.11111110
Hosts/Net: 4094 (Private Internet)

Network: 10.19.144.0/20 00001010.00010011.1001 0000.00000000 (Class A)
Broadcast: 10.19.159.255 00001010.00010011.1001 1111.11111111
HostMin: 10.19.144.1 00001010.00010011.1001 0000.00000001
HostMax: 10.19.159.254 00001010.00010011.1001 1111.11111110
Hosts/Net: 4094 (Private Internet)

Network: 10.19.160.0/20 00001010.00010011.1010 0000.00000000 (Class A)
Broadcast: 10.19.175.255 00001010.00010011.1010 1111.11111111
HostMin: 10.19.160.1 00001010.00010011.1010 0000.00000001
HostMax: 10.19.175.254 00001010.00010011.1010 1111.11111110
Hosts/Net: 4094 (Private Internet)

Network: 10.19.176.0/20 00001010.00010011.1011 0000.00000000 (Class A)
Broadcast: 10.19.191.255 00001010.00010011.1011 1111.11111111
HostMin: 10.19.176.1 00001010.00010011.1011 0000.00000001
HostMax: 10.19.191.254 00001010.00010011.1011 1111.11111110
Hosts/Net: 4094 (Private Internet)

Network: 10.19.192.0/20 00001010.00010011.1100 0000.00000000 (Class A)
Broadcast: 10.19.207.255 00001010.00010011.1100 1111.11111111
HostMin: 10.19.192.1 00001010.00010011.1100 0000.00000001
HostMax: 10.19.207.254 00001010.00010011.1100 1111.11111110
Hosts/Net: 4094 (Private Internet)

Network: 10.19.208.0/20 00001010.00010011.1101 0000.00000000 (Class A)
Broadcast: 10.19.223.255 00001010.00010011.1101 1111.11111111
HostMin: 10.19.208.1 00001010.00010011.1101 0000.00000001
HostMax: 10.19.223.254 00001010.00010011.1101 1111.11111110
Hosts/Net: 4094 (Private Internet)

Network: 10.19.224.0/20 00001010.00010011.1110 0000.00000000 (Class A)
Broadcast: 10.19.239.255 00001010.00010011.1110 1111.11111111
HostMin: 10.19.224.1 00001010.00010011.1110 0000.00000001
HostMax: 10.19.239.254 00001010.00010011.1110 1111.11111110
Hosts/Net: 4094 (Private Internet)

Network: 10.19.240.0/20 00001010.00010011.1111 0000.00000000 (Class A)
Broadcast: 10.19.255.255 00001010.00010011.1111 1111.11111111
HostMin: 10.19.240.1 00001010.00010011.1111 0000.00000001
HostMax: 10.19.255.254 00001010.00010011.1111 1111.11111110
Hosts/Net: 4094 (Private Internet)

Subnets: 16
Hosts: 65504

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.