[wplug] IP addresses

Brian bpmedley at 4321.tv
Wed Sep 19 18:09:32 EDT 2001


On Wed, Sep 19, 2001 at 01:34:12PM -0400, mdanish at andrew.cmu.edu wrote:

> ping your network address, and examine the arp table ('/usr/sbin/arp' or so).
> 
> Your network address being your IP address bitwise ANDed to your
> netmask.
> 
> Of course this won't work if the machines aren't all on and connected
> to the network.

Why does that work?  I was under the impression that you should ping the
broadcast address.  Can you explain what happens when you ping the
network?  I'd appreciate it...

> On Wed, Sep 19, 2001 at 10:27:41AM -0500, Douglas Green wrote:
> > Hi-
> > Is there a way to determine what IP numbers on my network are used, and which 
> > ones are available? There are a large number of us on the same subnetwork, 
> > and over the years IP numbers have been lost/swapped/replaced, etc. I don't 
> > need to know who has what IP- only which ones are free. Any help is 
> > appreciated!

-- 
~'`^`'~=-.,__,.-=~'`^`'~=-.,__,.-=~'`^`'~=-., \|/  (___)  \|/ _,.-=~'`^`
                          Brian Medley         @~./'O o`\.~@
"Knowledge is Power" brian.medley at verizon.net /__( \___/ )__\  *PPPFFBT!*
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