MAC Address Lookup

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

 MAC

Stuyts Engineering Haarlem BV

Unique prefixes: 2

Block Size: 8190 (8.19 k)

First registration: 21 February 2011

Last updated: 05 February 2021

Types

IAB: Individual Address Blocks. 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
00:50:C2:9C:0IAB2011-02-21
70:B3:D5:D1:DMA-S2021-02-05