utility that scans lan for client?

[John Almberg]

On Mar 23, 2009, at 3:10 PM, Mel Flynn wrote:

> On Monday 23 March 2009 19:59:36 John Almberg wrote:
>> I've tried googling for this, but I guess I don't know the name of a
>> utility such as this...
>>
>> What I'm looking for is a utility that can scan a LAN for attached
>> clients... i.e., computers that are attached to the LAN.
>>
>> I have one box (an appliance that I have no access to), that is on
>> the LAN but I don't know what IP address it's using. I'd like to
>> complete my network map, and that is the one empty box on my chart.
>
> security/nmap
>
> If the box pings, you can simply scan your LAN like:
> $ nmap -sP 192.168.2.0/24
>
> Starting Nmap 4.76 ( http://nmap.org ) at 2009-03-23 11:05 AKDT
>
> <hosts snipped>
>
> Nmap done: 256 IP addresses (18 hosts up) scanned in 1.11 seconds
>
> There's tons of options available (including OS fingerprinting),  
> most of which
> will require root to run as it needs on-the-fly changes to IP packets.

That did it. Beautiful. Thanks.

-- John