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gentoonu-b
Tux's lil' helper
Joined: 05 Aug 2005
Posts: 75
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 Posted: Wed Jan 11, 2006 7:27 pm Post subject: I want to be able to go in to the network remotely and find |
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Is there a tool /util that will allow me to find all the IP's on a given network?
For instance I was attempting to connect to my PC's at home but one of the PC's IP address changed because DHCP was enabled, so once it rebooted it grabbed a new IP I didn't know. I have several devices on my small network and I wanted to isolate a particular PC. But first I needed to I needed to find the IP, then determine the Host.
So I want to be able to go in to the network remotely and find all devices connected.
Can I set the PC's to automatically advertise there IP's within the network?
Thnx.
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Last edited by gentoonu-b on Wed Feb 01, 2006 5:38 pm; edited 1 time in total |
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jjasghar
Guru
Joined: 07 Mar 2004
Posts: 342
Location: $HOME=/usa/tx/austin
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| Posted: Wed Jan 11, 2006 7:50 pm Post subject: |
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go into your dhcp server check the leases table and look at the mac addies. then you can figure out the machines that you are looking for.
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#include <LinuxUser #324070>
main()
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magic919
Advocate
Joined: 17 Jun 2005
Posts: 2182
Location: Berkshire, UK
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| Posted: Wed Jan 11, 2006 9:18 pm Post subject: |
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I normally run
nmap -sP 192.168.7.0/24
That pings all the available IPs on the subnet and shows me the responders. It gives MAC address and some details of the NIC.
| Code: |
Starting nmap 3.83.DC13 ( http://www.insecure.org/nmap/ ) at 2006-01-11 21:13 GMT
Host 192.168.7.1 appears to be up.
MAC Address: 00:0F:B5:B5:BF:77 (Netgear)
Host 192.168.7.4 appears to be up.
MAC Address: 00:0D:0B:74:15:77 (Melco)
Host xp (192.168.7.100) appears to be up.
MAC Address: 00:20:ED:74:5E:77 (Giga-byte Technology CO.)
Host server (192.168.7.106) appears to be up.
Nmap finished: 256 IP addresses (4 hosts up) scanned in 5.421 seconds
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If you know your hardware you'll be able to recognise.
For Windows stuff and Samba you can run
nmblookup -A 192.168.7.100
and get a hostname and often a workgroup. You can cut straight to this bit if you know it's Windows or running Samba. It runs a Netbios query over the LAN. |
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Networking & Security
