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MAC Address Validator
How to validate and decode MAC (Media Access Control) addresses?
In order to help your programming or testing tasks, FYIcenter.com has designed this online tool for you to validate and decode 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. Manufacturer OUI {Organizationally Unique Identifier}, company name and address are also displayed.
✍: FYIcenter.com
Validation result by FYIcenter.com - MAC Address:
Specified MAC Address: Valid ✔
MAC address specified: 00-08-20-83-53-D1 MAC address normalized: 00-08-20-83-53-D1 Is It Unicast or Multicast? Unicast: First bit = 0. Identifies a single device. Is It Global or Local? Global: Second bit = 0. Valid globally. Manufacturer Info: OUI: 00-08-20 Name: Cisco Systems, Inc Address: 80 West Tasman Drive San Jose CA 94568 US
What is a valid MAC address?
A MAC (Media Access Control) 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:
Other formats used are:
What is the structure of MAC address?
The following picture shows the internal structure a MAC address:
To generate MAC addresses for testing, use "Test MAC Address Generator" tool.
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2022-05-31, 2244723👍, 34💬
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