CLI IP range lookup tool

[Robert P. J. Day]

On Fri, 21 Dec 2007, Ashley M. Kirchner wrote:

>
>    Is there a command line tool that can get me from '123.235.126.232' to
> '123.232.0.0/14' or even to '123.232.0.0:123.235.255.255'?
>
>    Right now I'm manually using any of ripe.net, lacnic.net, or arin.net to go
> from the IP to the range '123.232.0.0:123.235.255.255' and then using
> 'netmask' to get to '123.232.0.0/14'.  I'm wondering if there's a single tool
> to go from one to the other.
>
>    Thanks.

purely from memory, i recall "ipcalc".  it's part of the initscripts
package so it's probably on your system.  more than that, i can't
really say.

$ man ipcalc

rday
--

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Robert P. J. Day
Linux Consulting, Training and Annoying Kernel Pedantry
Waterloo, Ontario, CANADA

http://crashcourse.ca
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