MAC Address / OUI Lookup

Paste any MAC address. Get the vendor from its OUI, plus whether it's unicast/multicast and factory-assigned or software-generated. Colon, hyphen, Cisco dot, or plain hex, all accepted.

MAC Address

Transmission Type

Address Origin

Colon-

Hyphen-

Cisco Dot-

Plain Hex-

Covers roughly 120 common vendor OUIs (networking, cloud, consumer IoT) sourced from public IEEE-derived data, not the full ~50,000-entry IEEE registry. If your prefix isn't recognized, check the official IEEE OUI database directly.