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



Address:   192.168.0.1           11000000.10101000.00000000.000 00001
Netmask: 255.255.255.224 = 27 11111111.11111111.11111111.111 00000
Wildcard: 0.0.0.31 00000000.00000000.00000000.000 11111
=> Network: 192.168.0.0/27 11000000.10101000.00000000.000 00000 (Class C)
Broadcast: 192.168.0.31 11000000.10101000.00000000.000 11111
HostMin: 192.168.0.1 11000000.10101000.00000000.000 00001
HostMax: 192.168.0.30 11000000.10101000.00000000.000 11110
Hosts/Net: 30 (Private Internet)

Subnets Netmask: 255.255.255.252 = 30 11111111.11111111.11111111.111111 00
Wildcard: 0.0.0.3 00000000.00000000.00000000.000000 11
Network: 192.168.0.0/30 11000000.10101000.00000000.000000 00 (Class C)
Broadcast: 192.168.0.3 11000000.10101000.00000000.000000 11
HostMin: 192.168.0.1 11000000.10101000.00000000.000000 01
HostMax: 192.168.0.2 11000000.10101000.00000000.000000 10
Hosts/Net: 2 (Private Internet)

Network: 192.168.0.4/30 11000000.10101000.00000000.000001 00 (Class C)
Broadcast: 192.168.0.7 11000000.10101000.00000000.000001 11
HostMin: 192.168.0.5 11000000.10101000.00000000.000001 01
HostMax: 192.168.0.6 11000000.10101000.00000000.000001 10
Hosts/Net: 2 (Private Internet)

Network: 192.168.0.8/30 11000000.10101000.00000000.000010 00 (Class C)
Broadcast: 192.168.0.11 11000000.10101000.00000000.000010 11
HostMin: 192.168.0.9 11000000.10101000.00000000.000010 01
HostMax: 192.168.0.10 11000000.10101000.00000000.000010 10
Hosts/Net: 2 (Private Internet)

Network: 192.168.0.12/30 11000000.10101000.00000000.000011 00 (Class C)
Broadcast: 192.168.0.15 11000000.10101000.00000000.000011 11
HostMin: 192.168.0.13 11000000.10101000.00000000.000011 01
HostMax: 192.168.0.14 11000000.10101000.00000000.000011 10
Hosts/Net: 2 (Private Internet)

Network: 192.168.0.16/30 11000000.10101000.00000000.000100 00 (Class C)
Broadcast: 192.168.0.19 11000000.10101000.00000000.000100 11
HostMin: 192.168.0.17 11000000.10101000.00000000.000100 01
HostMax: 192.168.0.18 11000000.10101000.00000000.000100 10
Hosts/Net: 2 (Private Internet)

Network: 192.168.0.20/30 11000000.10101000.00000000.000101 00 (Class C)
Broadcast: 192.168.0.23 11000000.10101000.00000000.000101 11
HostMin: 192.168.0.21 11000000.10101000.00000000.000101 01
HostMax: 192.168.0.22 11000000.10101000.00000000.000101 10
Hosts/Net: 2 (Private Internet)

Network: 192.168.0.24/30 11000000.10101000.00000000.000110 00 (Class C)
Broadcast: 192.168.0.27 11000000.10101000.00000000.000110 11
HostMin: 192.168.0.25 11000000.10101000.00000000.000110 01
HostMax: 192.168.0.26 11000000.10101000.00000000.000110 10
Hosts/Net: 2 (Private Internet)

Network: 192.168.0.28/30 11000000.10101000.00000000.000111 00 (Class C)
Broadcast: 192.168.0.31 11000000.10101000.00000000.000111 11
HostMin: 192.168.0.29 11000000.10101000.00000000.000111 01
HostMax: 192.168.0.30 11000000.10101000.00000000.000111 10
Hosts/Net: 2 (Private Internet)

Subnets: 8
Hosts: 16

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.