MAC Address Lookup

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

 MAC

HEITEC AG

Unique prefixes: 5

Block Size: 1064955 (1.06 M)

First registration: 16 May 2013

Last updated: 09 March 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)

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

MAC PrefixTypeRegistration Date
40:D8:55:0E:8IAB2013-05-16
70:B3:D5:22:8MA-S2018-02-15
70:B3:D5:55:7MA-S2017-07-23
70:B3:D5:F4:8MA-S2019-04-12
C8:F5:D6:EMA-M2021-03-09