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


 Corrected illegal netmask: 255.255.150.0

Address:   10.10.0.0             00001010.00001010 .00000000.00000000
Netmask: 255.255.0.0 = 16 11111111.11111111 .00000000.00000000
Wildcard: 0.0.255.255 00000000.00000000 .11111111.11111111
=> Network: 10.10.0.0/16 00001010.00001010 .00000000.00000000 (Class A)
Broadcast: 10.10.255.255 00001010.00001010 .11111111.11111111
HostMin: 10.10.0.1 00001010.00001010 .00000000.00000001
HostMax: 10.10.255.254 00001010.00001010 .11111111.11111110
Hosts/Net: 65534 (Private Internet)

Subnets Netmask: 255.255.128.0 = 17 11111111.11111111.1 0000000.00000000
Wildcard: 0.0.127.255 00000000.00000000.0 1111111.11111111
Network: 10.10.0.0/17 00001010.00001010.0 0000000.00000000 (Class A)
Broadcast: 10.10.127.255 00001010.00001010.0 1111111.11111111
HostMin: 10.10.0.1 00001010.00001010.0 0000000.00000001
HostMax: 10.10.127.254 00001010.00001010.0 1111111.11111110
Hosts/Net: 32766 (Private Internet)

Network: 10.10.128.0/17 00001010.00001010.1 0000000.00000000 (Class A)
Broadcast: 10.10.255.255 00001010.00001010.1 1111111.11111111
HostMin: 10.10.128.1 00001010.00001010.1 0000000.00000001
HostMax: 10.10.255.254 00001010.00001010.1 1111111.11111110
Hosts/Net: 32766 (Private Internet)

Subnets: 2
Hosts: 65532

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.