The Wireshark OUI lookup tool provides an easy way to look up OUIs and other MAC address prefixes. It uses the Wireshark manufacturer database, which is a list of OUIs and MAC addresses compiled from a number of sources.
MAC vendors database download Get the most comprehensive database of registered MAC address blocks, also referred to as OUIs (Organizationally Unique Identifiers). We deliver complete and relevant data. First 3 bytes (or 24 bits) of MAC addresses are known as the Organizationally Unique Identifier (OUI) and usually encodes the manufacturer. MAC addresses usually are written in the six groups of two hexadecimal digits separated by colons (:) or hyphens (-), e.g. E8:04:62:90:07:62, 00-1E-37-18-50 DB.
Directions: Type or paste in a list of OUIs, MAC addresses, or descriptions below. OUIs and MAC addresses may be colon-, hyphen-, or period-separated.