[ubuntu-uk] Find a Router's IP address

Alan Bell alan.bell at theopenlearningcentre.com
Tue Oct 19 17:24:56 BST 2010

  On 19/10/10 16:54, Cornelius Mostert wrote:
> Hi
> The scenario is as follow:
> 1. You have permission to work as Admin on a Lan
> 2. You do NOT have any documentation from the previous Admin
> 3. You find a router / WiFi Router that is in use and therefore you 
> can NOT reset it
> 4. This router is a "home" / consumer router like Netgear, Linksys, 
> etc. So not an enterprise router
> 5. You need to brows to the routers config web page to make some 
> changes (you assume the default admin and password for the router) BUT 
> you do NOT know the IP address
> 6. You know the router is NOT a DHCP server
> Now the question is HOW do you find the IP address of the router ???
> thanx
use nmap to scan the subnet and report on what it finds, You will 
probably recognise the manufacturer from the list of network cards it sees.

Alan Bell
The Open Learning Centre

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