Can I determine the current IP from a known MAC Address

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I have a shell script that wakes up a machine on my local network using etherwake. I'm not sure what the IP address is after the computer is awake.

ip=$(ping -c 1 hostname | head -1 | awk '{print $3}' | sed 's/[()]//g')

Is there a way to get the IP if all I know is the MAC address?

Feb 9 in Cyber Security & Ethical Hacking by Edureka
• 5,760 points
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1 answer to this question.

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ARP may be used to retrieve an IP address from a known MAC address. But first, you must update your local ARP table in order to get information from all network devices. To ping the whole LAN, send a broadcast message to your network. Type in the Command Prompt in Windows or the Terminal on macOS.
answered Feb 20 by Edureka
• 5,460 points

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