MAC Vendor Lookup

Look up device manufacturers by MAC address. Enter a full MAC address or just the first 6 characters (OUI) to identify the vendor.

MAC Address / OUI

Strict matching (exact OUI)

Auto-format output

Common Vendors

Microsoft VMware VMware VirtualBox QEMU/KVM Intel Intel Apple Apple D-Link Netgear Huawei Juniper Realtek TP-Link

About MAC Addresses

A MAC (Media Access Control) address is a unique identifier assigned to network interfaces. The first 24 bits (6 hex digits) form the OUI (Organizationally Unique Identifier), which identifies the device manufacturer.

MAC Address Structure

OUI (Vendor) 00:1B:44

NIC (Device) 11:22:33

Common MAC Formats

Format	Example	Common Use
Colon	`00:1B:44:11:22:33`	Linux, Unix
Hyphen	`00-1B-44-11-22-33`	Windows
Dot (Cisco)	`001b.4411.2233`	Cisco IOS
Plain	`001B44112233`	Database storage

Special MAC Addresses

MAC Address	Purpose
`FF:FF:FF:FF:FF:FF`	Broadcast address
`01:80:C2:00:00:00`	STP (Spanning Tree)
`01:00:5E:xx:xx:xx`	IPv4 multicast
`33:33:xx:xx:xx:xx`	IPv6 multicast