MAC Address Lookup

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

 MAC

ESI Ventures, LLC

Unique prefixes: 2

Block Size: 1052670 (1.05 M)

First registration: 29 December 2011

Last updated: 18 June 2021

Types

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

MA-M: Mac Address Block Medium. Number of address 2^20 (~1 Million)

MAC PrefixTypeRegistration Date
00:50:C2:F0:5IAB2011-12-29
28:36:13:6MA-M2021-06-18