MAC Address Lookup

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

 MAC

CST Group

Unique prefixes: 1

Block Size: 4095 (4.09 k)

First registration: 16 May 2013

Last updated: 29 August 2015

Types

IAB: Individual Address Blocks. Number of address 2^24 (~16 Million)

MAC PrefixTypeRegistration Date
40:D8:55:0F:5IAB2013-05-16