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Old 08-05-2006, 10:38 AM   #1
dbc001
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How can I scan my network for IP addresses?


A friend of mine does commercial real estate and found a Sun StorEdge RAID fileserver that had been abandoned at a site. I have the task of figuring out what it can do. I've got it plugged into my network but there is no monitor and Sun machines use a weird proprietary monitor cable anyway. So I need to figure out what it's IP address is so I can try to get into it. I think nmap is the program I'm looking for but I'm not sure how to get it to scan my entire network. Can somebody give me a quick rundown of what I should do to scan my entire network?

thanks in advance,
dbc
 
Old 08-05-2006, 11:28 AM   #2
mimithebrain
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ping -b 192.168.0.255
or
nmap -sL -PI -PT 192.168.0.*
 
Old 08-05-2006, 02:54 PM   #3
gilead
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If you're not sure that the box has a 192.168 address and you have a way of isolating your network so the scan doesn't go everywhere, you can run:
Code:
nmap -sT -PT 0-255.0-255.0-255.1-254
 
Old 08-06-2006, 10:13 AM   #4
dbc001
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Thanks for the replies. I have no way of knowing what IP address this machine is set up for (or if it even works!). I tried stopping the ADSL connection on my server, and here's what I get:
Code:
Starting nmap 3.93 ( http://www.insecure.org/nmap/ ) at 2006-08-06 10:38 CDT
nexthost: failed to determine route to 0.0.0.1
QUITTING!
I'm not sure what this means - do I need internet access to use nmap to scan every possible IP address?

thanks again!
dbc
 
Old 08-06-2006, 02:31 PM   #5
gilead
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That's odd, I'm running nmap 4.00 and it doesn't exit for me on addresses it can't reach. The message I get is:
Code:
Strange read error from 0.0.0.1: Transport endpoint is not connected
Then it just tries the next IP address...
 
  


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