Command to know your mac address

What is a MAC address?

A laptop computer with Ethernet , Wi-Fi , and Bluetooth connections, for example, has two or sometimes three MAC addresses associated with it, one for each physical network device. It isn't usually possible to look up MAC addresses for devices that are outside a person's physical reach. It often isn't possible to determine the MAC address of a computer from its IP address alone because these two addresses originate from different sources. A computer's hardware configuration determines its MAC address, while the configuration of the network it is connected to determines its IP address.

Most computers let you see this list of addresses that ARP has collected. However, it only works within the small group of computers on a local area network LAN , not across the internet. ARP is intended to be used by system administrators and is not a typically useful way to track down computers and people on the internet. Start by pinging the device you want the MAC to address for:.

You will want to use a local address, so if your network is The ping command establishes a connection with the other device on the network and should show a result like this:. Use the following arp command to get a list that shows the MAC address of the device you just pinged:.

How to Locate Your Ethernet MAC Address

In this example, the IP address is To find the MAC address of the device connected to your router, assuming you can access the router's administrative control panel, log in and check for connected devices. Each active device, as well as recently connected devices, should list the local IP address as well as the MAC address. When i run the Getmac command it returns 3 mac addresses. Which one is correct?

What are the other 2 Mac addresses listed and what order do they appear in? Roberts, Good question. I am wondering the same thing. How do I know,which is the correct address for my laptop. Which do I use? Can u ppl please confirm till how much time the MAc address with Ip will be present in the routing table of system?

I have a question.

CMD Prompt Finding IP and MAC address. Finding the Subnet Mask and Default Gateway

What does the Transport Name really mean, its use? Is it unique and two devices can never have same Transport Name?

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Can it be spoofed? So question is 1.

2. Find Your MAC Address Using The Network Settings

Hi, is there any way to get a mac address of an ethernet device that was previously connected to my computer?? Leave this field empty. Get mac address from command line CMD by Srini. Get mac addresses from CMD Just run the command getmac to get the mac addresses. Find an example below. How to get the mac addresses for a remote computer?

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    How to Find a MAC Address Using an IP Address

    OS — Windows XP. You can also use nbtstat -a ipaddress or nbtstat -a hostname. Thanks Jake, you hit the nail. This is what solved my problem. Thank you. How do i use arp -a to determine a duplicate ip. I have mac address of device. How to get IP address of a device based on mac address?