Wednesday, November 25, 2009


A very useful and fast utility that can actively or passively perform some ARP reconnaissance in order to find which host are alive on the network. It performs its task by sending our arp request to a subnet you define (for example, and determine a host is alive if it recieves a responce. Its very basic but gets the job done.

# netdiscover -i eth0 -r -c 4

-i: Interface to that would be used
-r: Subnet range
-c: Number of times to send each arp request
-f: Fast mode. This only scans for nodes ending with .1, .100 or .254. in the network

Like i said, its simple and fast. There are many other similar tools out there that are more feature rich than this tool (like nmap) . If its one thing i like about any given tool is its simplicity and ease of use and this tool gets a perfect 10/10 for that.

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