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finding a router's IP address - multiple routers in network

By morganstepp ·
I have a small network (15 computers) with a server and 3 routers which are used as access points and switches but do not assign IP addresses (only the server does that). I have assigned each of them an internal IP address, e.g. 192.168.2.31 for one of them, but I can't remember the IP address of another and I need to log on to the admin console - is there a way to find the device on the network? I realize I can just reset the router and start over, but I don't want to.

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finding a router's IP address - multiple routers in network

by Tribbles In reply to finding a router's IP add ...

HI

You could try using Wireshark http://www.wireshark.org/download.html

and in the Capture Filters set it for TCP or UDP port 80 (HTTP)

This will provide you a listing of all IP's on your network, from there use the process of elimination.

Jim

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assumptions:

by shardeth-15902278 In reply to finding a router's IP add ...

1) you know the subnet in whic it is contained.
2) There is no firewall blocking pings

solution: use a ping scanner to identify devices on the nework. AngryIP and SuperScanner are both free. They will also port scan, so you can narrow your list down to those that respond to telnet (or ssh, or http, depending on what your console is).

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tracert

by netwrk_admn In reply to finding a router's IP add ...

Since you are working with routers, packets will take 'hops' to their destinations. You can use tracert x.x.x.x from one PC on one segment to another PC on another segment to see where the 'hops' are. Good luck!

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