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I have a list of remote machines in a text files. Can I know their MAC addresses using nmap ?
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To see all the MAC addresses and their associated IP addresses, type “arp -a”. This command will list all the available MAC addresses in the system. The address on the left is the IP address, while the right is the MAC address.
To use nmap to scan the devices on your network, you need to know the subnet you are connected to. First find your own IP address, in other words the one of the computer you're using to find your MSRTK Moduls IP-address: On Linux, type hostname -I into a terminal window.
It enables users to scan hosts one at a time or a group of hosts at a time. MAC scanners allow users to find the IP and MAC addresses of devices accessing their network and to trace crucial client information like DNS engagement and hostnames.
If you're using nmap, MAC addresses are only available if you're on the same network segment as the target. Newer versions of nmap will only show the MAC address to you if you're running as root.
i.e.:
sudo nmap -sP -n 192.168.0.0/24
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Use snmp-interfaces.nse nmap script (written in lua) to get the MAC address of remote machine like this:
nmap -sU -p 161 -T4 -d -v -n -Pn --script snmp-interfaces 80.234.33.182
Completed NSE at 13:25, 2.69s elapsed Nmap scan report for 80.234.33.182 Host is up, received user-set (0.078s latency). Scanned at 2014-08-22 13:25:29 Арабское время (зима) for 3s PORT STATE SERVICE REASON 161/udp open snmp udp-response | snmp-interfaces: | eth | MAC address: 00:50:60:03:81:c9 (Tandberg Telecom AS) | Type: ethernetCsmacd Speed: 10 Mbps | Status: up | Traffic stats: 1.27 Gb sent, 53.91 Mb received | lo | Type: softwareLoopback Speed: 0 Kbps | Status: up |_ Traffic stats: 4.10 Kb sent, 4.10 Kb received
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