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



Address:   172.20.0.0            10101100.00010100 .00000000.00000000
Netmask:   255.255.0.0 = 16      11111111.11111111 .00000000.00000000
Wildcard:  0.0.255.255           00000000.00000000 .11111111.11111111
=>
Network:   172.20.0.0/16         10101100.00010100 .00000000.00000000 (Class B)
Broadcast: 172.20.255.255        10101100.00010100 .11111111.11111111
HostMin:   172.20.0.1            10101100.00010100 .00000000.00000001
HostMax:   172.20.255.254        10101100.00010100 .11111111.11111110
Hosts/Net: 65534                 (Private Internet)


Supernet

Netmask:   255.252.0.0 = 14      11111111.111111 00.00000000.00000000
Wildcard:  0.3.255.255           00000000.000000 11.11111111.11111111

Network:   172.20.0.0/14         10101100.000101 00.00000000.00000000 (Class B)
Broadcast: 172.23.255.255        10101100.000101 11.11111111.11111111
HostMin:   172.20.0.1            10101100.000101 00.00000000.00000001
HostMax:   172.23.255.254        10101100.000101 11.11111111.11111110
Hosts/Net: 262142                (Private Internet)

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.