retrieve IP address from MAC outside network range

mear1628

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Dec 15, 2013
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I have a deivece which is set to a fixed IP address, but I lost the IP address. But I do have the mac address. I know that if it is in the same network range I can use arp -a, but I have no idea what the IP address is and so also not the network range.

Is there a way to retrieve the IP address of my device (prefered with a direct connection)?
 
The arp command is only accessing the address resolution table on the computer where it is run.
If the computer has not previously resolved the IP address to a MAC address, it won't be in the table.
"arp -a" dumps this table in Windows 7.

There is no lookup from MAC to IP address if the machine has not previously resolved the MAC address.
If the device has a factory default, then you could use this to get back to a known IP address.
Another option is to set you machine to have a wide subnet range and use a program like AngryIP to ping all reachable addresses.
Maybe try IP = 192.168.1.10, subnet mask 255.255.0.0 (IP addresses 192.168.1.1 through to 192.168.255.254 accessible)
or IP = 10.0.0.10, subnet mask 255.0.0.0 (IP addresses 10.0.0.1 through to 10.255.255.254 accessible)
If AngryIP succeeds in pinging the device, it will report the MAC address.