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PCI-Z is designed for detecting unknown hardware on your Windows based PC. It will help you determine vendor, device and certain details about device even if you don't have drivers installed. Software uses The PCI ID Repository, a public repository of all known ID's used in PCI devices: ID's of vendors, devices, subsystems and device classes.

Users rarely modify this file, which maps MAC address prefixesto vendor names. Read on for the complete treatment.

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Ethernet devices, which have become the dominant networkinterface type, are each programmed with a unique 48-bit identifierknown as a MAC address.This address is placed in ethernet headers toidentify which machine on a local network sent a packet, and whichmachine the packet is destined for. Humans usually represent it as ahex string, such as 00:60:1D:38:32:90.

To assure that MAC addresses are unique in a world withthousands of vendors, the IEEE assigns an Organizationally UniqueIdentifier (OUI)to each company manufacturing ethernet devices. Thecompany must use its own OUI for the first three bytes of MACaddresses for equipment it produces. For example, the OUI of 00:60:1D:38:32:90is 00601D. It can choose the remainingthree bytes however it wishes, as long as they are unique. A counter is thesimple approach. Companies that assign all 16.8 million possible valuescan obtain more OUIs.nmap-mac-prefixes maps each assigned OUI to thename of the vendor that sells them.Example 14.6is a typical excerpt.

Example 14.6. Excerpt from nmap-mac-prefixes

The first value is the three-byte OUI as 6 hex digits. It isfollowed by the company name. This file is created from the complete list athttp://standards.ieee.org/regauth/oui/oui.txtby transforming it with a simple Perl script.The IEEEalso offers an OUI FAQ at http://standards.ieee.org/faqs/OUI.html.

Apple Database

Nmap can determine the MAC address of hosts on a local ethernetLAN by reading the headers off the wire. It uses this table to lookup and report the manufacturer name based on the OUI. This can beuseful for roughly identifying the type of machine you are dealingwith. A device with a Cisco, Hewlett Packard, or Sun OUI probablyidentifies a router, printer, or SPARCstation, respectively. Example 14.6, “Excerpt from nmap-mac-prefixes” shows that the deviceat 00:60:1D:38:32:90 was made by Lucent. It is infact the Lucent Orinoco wireless card in my laptop.

Mac Vendor Database Download Windows 10

Vendors Mac Address