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.

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
Colon00:1B:44:11:22:33Linux, Unix
Hyphen00-1B-44-11-22-33Windows
Dot (Cisco)001b.4411.2233Cisco IOS
Plain001B44112233Database storage

Special MAC Addresses

MAC Address Purpose
FF:FF:FF:FF:FF:FFBroadcast address
01:80:C2:00:00:00STP (Spanning Tree)
01:00:5E:xx:xx:xxIPv4 multicast
33:33:xx:xx:xx:xxIPv6 multicast