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



Address:   192.168.1.66          11000000.10101000.00000001.0100001 0
Netmask: 255.255.255.254 = 31 11111111.11111111.11111111.1111111 0
Wildcard: 0.0.0.1 00000000.00000000.00000000.0000000 1
=> Network: 192.168.1.66/31 11000000.10101000.00000001.0100001 0 (Class C)
Broadcast: 192.168.1.67 11000000.10101000.00000001.0100001 1
HostMin: 192.168.1.67 11000000.10101000.00000001.0100001 1
HostMax: 192.168.1.66 11000000.10101000.00000001.0100001 0
Hosts/Net: 0 (Private Internet)

Subnets Netmask: 255.255.255.255 = 32 11111111.11111111.11111111.11111111
Wildcard: 0.0.0.0 00000000.00000000.00000000.00000000
Network: 192.168.1.66/32 11000000.10101000.00000001.01000010 (Class C)
Broadcast: 192.168.1.66 11000000.10101000.00000001.01000010
HostMin: 192.168.1.67 11000000.10101000.00000001.01000011
HostMax: 192.168.1.66 11000000.10101000.00000001.01000010
Hosts/Net: 1 (Private Internet)

Network: 192.168.1.67/32 11000000.10101000.00000001.01000011 (Class C)
Broadcast: 192.168.1.67 11000000.10101000.00000001.01000011
HostMin: 192.168.1.67 11000000.10101000.00000001.01000011
HostMax: 192.168.1.67 11000000.10101000.00000001.01000011
Hosts/Net: 1 (Private Internet)

Subnets: 2
Hosts: 2

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.