Introduction
- ipcalc provides a simple way to calculate IP information for a host.
- The various options specify what information ipcalc should display on standard out.
- Multiple options may be specified. An IP address to operate on must always be specified.
- Most operations also require a netmask or a CIDR prefix as well.
How To Open " ipcalc "
- To open ipcalc ,follow the path -
- BackTrack > Miscellaneous > Miscellaneous Network > ipcalc
- See the below image for more details -
- When you click on ipcalc , it look like this ( as shown below )
Options
-c, --check
- Validate the IP address under the specified family. If no address family is specified, IPv4 is assumed.
- -4, --ipv4
- Specify IPv4 address family (default).
- -6, --ipv6
- Specify IPv6 address family.
- -b, --broadcast
- Display the broadcast address for the given IP address and netmask.
- -h, --hostname
- Display the hostname for the given IP address.
- -m, --netmask
- Calculate
the netmask for the given IP address. It assumes that the IP address is
in a complete class A, B, or C network. Many networks do not use the
default netmasks, in which case an inappropriate value will be returned.
- -p, --prefix
- Show the prefix for the given mask/IP address.
- -n, --network
- Display the network address for the given IP address and netmask.
- -s, --silent
- Don't ever display error messages.
- EXAMPLE 1
- Here -c options is used to validate the IP address under the specified family or not .
- Command Used :
- ipcalc -c 10.0.0.1
- ipcalc -c 128.129.130.245
- ipcalc -c 192.168.232.128
See the below image for more help - 
EXAMPLE 2
- Command Used : ipcalc 192.168.232.128/24
- See the below image for more details -
EXAMPLE 3
- Command Used : ipcalc 192.168.232.128/255.255.255.0
- See the below image for more help -
This is how we can use this tool named " ipcalc "
More example will be added soon .
THIS TUTORIAL IS JUST FOR EDUCATIONAL PURPOSE ONLY /-
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