MAC Address Lookup

Find the vendor name of a device by entering an OUI or a MAC address

 Vendor

BT9

Unique prefixes: 2

Block Size: 16781310 (16.78 M)

First registration: 22 July 2018

Last updated: 17 February 2021

Types

MA-L: Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)

MA-S: Mac Address Block Small (previously named OUI-36, encompasses IAB Assignments). Number of address 2^12 (4096)

MAC PrefixTypeRegistration Date
70:B3:D5:6B:8MA-S2018-07-22
C4:74:69MA-L2021-02-17