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



Address:   10.0.0.0              00001010 .00000000.00000000.00000000
Netmask: 255.0.0.0 = 8 11111111 .00000000.00000000.00000000
Wildcard: 0.255.255.255 00000000 .11111111.11111111.11111111
=> Network: 10.0.0.0/8 00001010 .00000000.00000000.00000000 (Class A)
Broadcast: 10.255.255.255 00001010 .11111111.11111111.11111111
HostMin: 10.0.0.1 00001010 .00000000.00000000.00000001
HostMax: 10.255.255.254 00001010 .11111111.11111111.11111110
Hosts/Net: 16777214 (Private Internet)

Subnets Netmask: 255.240.0.0 = 12 11111111.1111 0000.00000000.00000000
Wildcard: 0.15.255.255 00000000.0000 1111.11111111.11111111
Network: 10.0.0.0/12 00001010.0000 0000.00000000.00000000 (Class A)
Broadcast: 10.15.255.255 00001010.0000 1111.11111111.11111111
HostMin: 10.0.0.1 00001010.0000 0000.00000000.00000001
HostMax: 10.15.255.254 00001010.0000 1111.11111111.11111110
Hosts/Net: 1048574 (Private Internet)

Network: 10.16.0.0/12 00001010.0001 0000.00000000.00000000 (Class A)
Broadcast: 10.31.255.255 00001010.0001 1111.11111111.11111111
HostMin: 10.16.0.1 00001010.0001 0000.00000000.00000001
HostMax: 10.31.255.254 00001010.0001 1111.11111111.11111110
Hosts/Net: 1048574 (Private Internet)

Network: 10.32.0.0/12 00001010.0010 0000.00000000.00000000 (Class A)
Broadcast: 10.47.255.255 00001010.0010 1111.11111111.11111111
HostMin: 10.32.0.1 00001010.0010 0000.00000000.00000001
HostMax: 10.47.255.254 00001010.0010 1111.11111111.11111110
Hosts/Net: 1048574 (Private Internet)

Network: 10.48.0.0/12 00001010.0011 0000.00000000.00000000 (Class A)
Broadcast: 10.63.255.255 00001010.0011 1111.11111111.11111111
HostMin: 10.48.0.1 00001010.0011 0000.00000000.00000001
HostMax: 10.63.255.254 00001010.0011 1111.11111111.11111110
Hosts/Net: 1048574 (Private Internet)

Network: 10.64.0.0/12 00001010.0100 0000.00000000.00000000 (Class A)
Broadcast: 10.79.255.255 00001010.0100 1111.11111111.11111111
HostMin: 10.64.0.1 00001010.0100 0000.00000000.00000001
HostMax: 10.79.255.254 00001010.0100 1111.11111111.11111110
Hosts/Net: 1048574 (Private Internet)

Network: 10.80.0.0/12 00001010.0101 0000.00000000.00000000 (Class A)
Broadcast: 10.95.255.255 00001010.0101 1111.11111111.11111111
HostMin: 10.80.0.1 00001010.0101 0000.00000000.00000001
HostMax: 10.95.255.254 00001010.0101 1111.11111111.11111110
Hosts/Net: 1048574 (Private Internet)

Network: 10.96.0.0/12 00001010.0110 0000.00000000.00000000 (Class A)
Broadcast: 10.111.255.255 00001010.0110 1111.11111111.11111111
HostMin: 10.96.0.1 00001010.0110 0000.00000000.00000001
HostMax: 10.111.255.254 00001010.0110 1111.11111111.11111110
Hosts/Net: 1048574 (Private Internet)

Network: 10.112.0.0/12 00001010.0111 0000.00000000.00000000 (Class A)
Broadcast: 10.127.255.255 00001010.0111 1111.11111111.11111111
HostMin: 10.112.0.1 00001010.0111 0000.00000000.00000001
HostMax: 10.127.255.254 00001010.0111 1111.11111111.11111110
Hosts/Net: 1048574 (Private Internet)

Network: 10.128.0.0/12 00001010.1000 0000.00000000.00000000 (Class A)
Broadcast: 10.143.255.255 00001010.1000 1111.11111111.11111111
HostMin: 10.128.0.1 00001010.1000 0000.00000000.00000001
HostMax: 10.143.255.254 00001010.1000 1111.11111111.11111110
Hosts/Net: 1048574 (Private Internet)

Network: 10.144.0.0/12 00001010.1001 0000.00000000.00000000 (Class A)
Broadcast: 10.159.255.255 00001010.1001 1111.11111111.11111111
HostMin: 10.144.0.1 00001010.1001 0000.00000000.00000001
HostMax: 10.159.255.254 00001010.1001 1111.11111111.11111110
Hosts/Net: 1048574 (Private Internet)

Network: 10.160.0.0/12 00001010.1010 0000.00000000.00000000 (Class A)
Broadcast: 10.175.255.255 00001010.1010 1111.11111111.11111111
HostMin: 10.160.0.1 00001010.1010 0000.00000000.00000001
HostMax: 10.175.255.254 00001010.1010 1111.11111111.11111110
Hosts/Net: 1048574 (Private Internet)

Network: 10.176.0.0/12 00001010.1011 0000.00000000.00000000 (Class A)
Broadcast: 10.191.255.255 00001010.1011 1111.11111111.11111111
HostMin: 10.176.0.1 00001010.1011 0000.00000000.00000001
HostMax: 10.191.255.254 00001010.1011 1111.11111111.11111110
Hosts/Net: 1048574 (Private Internet)

Network: 10.192.0.0/12 00001010.1100 0000.00000000.00000000 (Class A)
Broadcast: 10.207.255.255 00001010.1100 1111.11111111.11111111
HostMin: 10.192.0.1 00001010.1100 0000.00000000.00000001
HostMax: 10.207.255.254 00001010.1100 1111.11111111.11111110
Hosts/Net: 1048574 (Private Internet)

Network: 10.208.0.0/12 00001010.1101 0000.00000000.00000000 (Class A)
Broadcast: 10.223.255.255 00001010.1101 1111.11111111.11111111
HostMin: 10.208.0.1 00001010.1101 0000.00000000.00000001
HostMax: 10.223.255.254 00001010.1101 1111.11111111.11111110
Hosts/Net: 1048574 (Private Internet)

Network: 10.224.0.0/12 00001010.1110 0000.00000000.00000000 (Class A)
Broadcast: 10.239.255.255 00001010.1110 1111.11111111.11111111
HostMin: 10.224.0.1 00001010.1110 0000.00000000.00000001
HostMax: 10.239.255.254 00001010.1110 1111.11111111.11111110
Hosts/Net: 1048574 (Private Internet)

Network: 10.240.0.0/12 00001010.1111 0000.00000000.00000000 (Class A)
Broadcast: 10.255.255.255 00001010.1111 1111.11111111.11111111
HostMin: 10.240.0.1 00001010.1111 0000.00000000.00000001
HostMax: 10.255.255.254 00001010.1111 1111.11111111.11111110
Hosts/Net: 1048574 (Private Internet)

Subnets: 16
Hosts: 16777184

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.