How to valid MAC addresses?

In order to help your programming or testing tasks, FYIcenter.com has designed this online tool for you to validate any given MAC address.

All you need to do is to enter a MAC address and click the "Validate" button. Validation result will be displayed in the result area.

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MAC Address:

Validation result by FYIcenter.com - MAC Address:

Specified MAC Address: Valid

MAC Address: 0a-1b-3c-4d-5e-6f

What is a valid MAC address?

A MAC address is a unique identifier assigned to most network adapters or network interface cards (NICs) by the manufacturer for identification, IEEE 802 standards use 48 bites or 6 bytes to represent a MAC address. This format gives 281,474,976,710,656 possible unique MAC addresses.

IEEE 802 standards define 3 commonly used formats to print a MAC address in hexadecimal digits:

• Six groups of two hexadecimal digits separated by hyphens (-), like 01-23-45-67-89-ab
• Six groups of two hexadecimal digits separated by colons (:), like 01:23:45:67:89:ab
• Three groups of four hexadecimal digits separated by dots (.), like 0123.4567.89ab

 

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