Other times, the actual interface may have a sticky

The box it came in for a label you may recognize the hardware address For example, if you buy an Ethernet or Wireless interface card, check Often, the fastest way to discover a device's Ethernet or Wireless hardware address is to look forĪ printed label. Your Ethernet or Wireless hardware address is also not your email address, which typically looks something Easiest Way to Discover a Hardware Address Princeton University, and looks something like: '00' becomes '0' - you never completely eliminate any of the six pairs of digits.)ĭo not confuse an Ethernet or Wireless hardware address with an Internet Protocol v4 ('IPv4')Īddress that's a number assigned to some computers and printers by the (When dropping leadings zeroes in a hardware address, Sometimes any leading zero in each pair of digits is dropped e.g. When using colons or dashes to separate the address into six pairs, Rather than letters) with colons or dashes, like: It is common separate the six pairs of hexadecimal digits (the A-F are considered hexadecimal digits, Sometimes an '0x' is written before the value to make explicit that theįollowing value should interpreted as hexadecimal.Įthernet and Wireless hardware addresses are often written in other forms, to make them The letters A-F may be uppercase or lowercase. Each byte is written as two hexadecimal digits, so thereĪre twelve hexadecimal digits each hex digit is a number from 0-9 or a letter from A-F. If your computer has both an Ethernet interface and a Wireless interface,Įach will have its own unique hardware address.Īn Ethernet or Wireless hardware address is a 6-byte hexadecimal number for example:Ġ80007A9B2FC. Manufacturer of that Ethernet or Wireless interface, not by Princeton University.Īll manufacturers of Ethernet and Wireless interfaces cooperate to ensure that every (or attached to) your computer or printer. What is an Ethernet or Wireless Hardware Address?Īn Ethernet or Wireless hardware address is a number assigned to the hardware interface in Randomized Hardware Addresses Are (Usually) Not Acceptable Instructions for Some Common Platforms.Forging (Spoofing, Cloning) Another Hardware Address is not Acceptable.

The Easiest Way to Discover a Hardware Address.(phone 609-258-HELP, What is an Ethernet or Wireless Hardware Address?

Need assistance determining the Ethernet or Wireless hardware address ofĪ platform not covered by this document, please contact the If you need assistance following these instructions, or Register your device in the Princeton University Host Database. You need to know your hardware address(es) in order to This document describes how to determine your device'sĮthernet or Wireless hardware address(es). How to Determine Your Device's Ethernet or Wireless Hardware Address

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