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This tool looks up the name of the company that manufactured your network devicecard by matching the MAC address (OUI) with our database.

Enter a MAC address (00:11:22:33:44:55 or 00-11-22-33-44-55) below.

OUIs and MAC octets may be separated with either colons, hyphens or space.

You can also use this tool to list the OUIs assigned to a particular manufacturer.

This address, also called a hardware address or physical address, is baked onto the ROM firmware (sometimes referred to as the burned in address) of the network card, router, firewall, network switch, wireless access point, and other networking devices manufactured.

The 3-byte code (sometimes referred to as a vendor code) becomes the first three bytes (aka octets) of the 6-byte MAC address.

The last three bytes is a unique value that the manufacturers assigns themselves (e.g., the serial number).

No two network devicescards in the world should have the same MAC address.

If there happens to be two network devicescards with the same 6-byte MAC address and they happen to be on the same network, reliable network communication cannot take place.

Sometimes it can be etched onto the circuit board (eg., network cards).

Alternatively, you can also find the MAC address of your computer by using the Ipconfig command-line tool.

The last three-byte code (D0:69:13) identifies the unique unit LinksysCisco manufactured.

The first three bytes identifies the manufacturer and the last three bytes identifies the specific device unit and potentially identify the customer it is registered with.

Our specialty includes PC support, networking, information assurance and custom systems and database application design.

We provide digital business and IT support services primarily for clients located in the Central New York and Washington, D.C.

Email: email protected.

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