In addition to cpast answer if the attacker was lazy he might not have bothered to change his mac address you could potentially find the attacker by his mac address using a program called airodump-ng. You would need to walk in about a 100 meter block radius of your wireless router to find him.

A MAC address, versus IP, would be useful to trace the sender if it was suspected the message was sent at a place where computers were behind NAT/PAT, such as in many workplaces or public Wi-Fi. – user71659 Oct 17 '18 at 17:58 Using the MAC address may not work, but try some of the tools (many of which are free) to look up an IP address. The sender can spoof the address though, which means it is false. May 29, 2013 · Download TraceMAC - Traceroute for MAC addresses for free. TraceMAC is a command-line Layer 2 traceroute for Cisco switches. TraceMAC is a Windows/Linux command-line tool that allows you to trace a specific MAC address thru Cisco switches. It works by connecting to a switch using SSH, SNMP, Telnet, HTTP or HTTPS and do some "show commands" and later process the output, this will happen A media access control address (MAC address) is a unique identifier assigned to network interfaces for communications on a computer network. MAC addresses are globally assigned to organisations by the Institute of Electrical and Electronics Engineers (IEEE). If you want to find the manufacturer a certain MAC address belongs to, enter your full MAC address or first 6 hexadecimal digits. This tool support most of the common formats such as 00-10-fa-c2-bf-d5, 00:10:fa:c2:bf:d5, 0010.fac2.bfd5, 00 10 fa c2 bf d5, or 0010fac2bfd5.

I am guessing you mean something like finding a given device based on it having connected to your Wi-Fi router at some point and you recorded the MAC address of that device.

How to trace a devices by using it Mac address and which network port it connect to? TX P.S. Moved from Networking -Switching-ProCurve / ProVision-Based to Comware-Based

A MAC address, versus IP, would be useful to trace the sender if it was suspected the message was sent at a place where computers were behind NAT/PAT, such as in many workplaces or public Wi-Fi. – user71659 Oct 17 '18 at 17:58

Unlike an IP address, a MAC address is unique to specific network-connected interface - be it a network card in a computer or the embedded network hardware of a cell phone. Apr 19, 2011 · Find MAC Address includes some very nifty tools, such as the ability to look at a specific IP address and identify the MAC address of network cards. There's also some settings that only techies Hi everybody I am reading about the command " traceroute mac SRC-MAC-ADD DESTI-MAC-ADDRESS ". Unfortunately, my book did not give any example and google search did not yield any good example. I will appreciate if someone could give me an example. thanks and have a nice weekend. (Small tip: When you see a large number of MAC addresses showing up on a single port, there's a switch on that port into which those MAC addresses are connected. If you're all Cisco, 'show cdp neighbor' (or 'sh cdp nei') will get you to the next switch. Also, 'sh ip arp | i 0/24' will show just the MAC address(es) on that port.) Aug 19, 2019 · But on the Mac Address Tables, It shows a similar MAC Address 00:1b:54:c7:31:40, But I cannot find it anywhere on any IP Scanner application. So what do you all think? I think that it's probably not coincidence, and definitely worth it to track down c7:31:40. The other might be a 'virtual' MAC address assigned to that device.