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Questions tagged [mac-address]

A MAC address is a unique identifier for network adapters or network interface cards.

A MAC address is a level 2 unique identifier for network adapters or network interface cards.

A common practice in circumvention of network security is mac spoofing. Because of this, the use of MAC addresses to secure a network has been deprecated.

This is not to be confused with the tag , which refers to Apple Macintosh hardware.

482 questions
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IEEE Registration Authority mac prefix

I'm analyzing a big list of devices, and trying to detect the type of each one of them using different data. one of the data types I have is MAC Address, and i encountered the following mac address prefix - 40:ed:98. Searching some sites it says…
Golden
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Can a MAC address be traced?

Can the MAC address of a computer be traced to the serial number of a computer? I have the MAC address that is trying to break into my wireless router. Knowing the serial number of the computer would possibly help me find the owner. Is this…
john
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2 answers

Is my MAC address public when browsing the Internet?

Possible Duplicate: Is your MAC address revealed when you hit up a website? Can anybody see my MAC address when I'm on the Internet? Also, where can I check my MAC address?
Carol
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How to register for a vendor OUI MAC address prefix?

How do you register for an OUI vendor prefix for MAC addresses? There are lookups such as this offering: http://www.adminsub.net/mac-address-finder/microchip I want my own AA:BB:CC…
tarabyte
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How to find MAC address of a machine in my network

At work, we have a network with internal IP addresses given to machines. How can I find the MAC address of machines in my network whose IP address is known to me? Also how do I find the MAC address of my router whose IP address I know? I work on…
goldenmean
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MAC Address Convention

I need help understanding MAC address convention as described here. If I understand it correctly, then MAC address 00-27-C7-38-42-11: Has 00 as the most significant byte. Has 0 (zero) set in its least significant bit of the most significant byte --…
Larssend
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5 answers

Discover MAC address of wired computer

I would like to know the MAC address of a running computer which is directly connected to my own laptop with a wired cable (ethernet to ethernet). It has no DHCP server on it and I don't know its network configuration. Is this possible? Needled to…
Mat
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Is a MAC address unique?

Can a MAC address be altered, or is it like a computer's fingerprint and remains unique to that computer only? If a person has the computer's MAC address, can it be used to identify that computer proving ownership? I'm asking this because I had two…
Mark
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Find some access point IP Adress from Access point Mac address on the internet?

Is there any router or database which can we access to put some access point or router MAC Address and get IP address? Or i just think the mac address changes when a packet leave a router on the Internet?
user29111
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1 answer

Change Mac Address on Wireless NIC

Problem I currently use a Intel(R) Centrino(R) Advanced-N 6230 network adapter, and I need to spoof the mac address in order to test security on my network. The problem is that the latest driver for this adapter does not allow spoofing. I also…
Matt Walker
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Why would results differ from trying two different methods to get a MAC address?

While trying to find MAC addresses of networked machines, two different methods were used and different answers were received: Ping the machine name using the command nbtstat -a xxx.xxx.xxx.xxx (x being the IP address); double checking that it is…
Dana
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Can I restrict access to the tplink wifi network to anyone except specified set of Mac addresses?

I have the router TP-Link N750 (TL-WDR4300). I'm familiar with the Mac addresses filtering but I need to restrict all user from joining the network not from Internet after joining the network, so one can't join the network unless its MAC address is…
Mahmoud Hassan
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If I want to spoof my wireless router's MAC address for privacy reasons, how should I pick one?

Like the title says: how do I decide which "random" MAC address to assign to a machine in order to hide the real one? Just entering a random one doesn't feel very... scientific. Thanks.
Francisc
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Find MAC address of laptop of stolen laptop

Is there is any way to find MAC address of stolen laptop? I previously use my Facebook and email account on the machine. Can I extract my MAC address from email of Facebook account. Give me technical idea.
Khattak
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Vendor devices produce limitation by MAC address?

Maybe it is silly, but I wonder if the first 3 hexadecimal values in MAC address represent vendor id (in 01:23:45:ff:ff:ff it is 01:23:45), is there a limit of 16777215 (ff:ff:ff) devices per vendor?
zogby
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