MAC Address Lookup

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

 MAC

Critical Link LLC

Unique prefixes: 13

Block Size: 53235 (53.23 k)

First registration: 21 February 2011

Last updated: 02 July 2019

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:C2:49:DIAB2011-02-21
00:50:C2:8F:4IAB2011-02-21
00:50:C2:E6:7IAB2011-08-06
00:50:C2:FC:6IAB2012-08-13
40:D8:55:17:CIAB2013-09-25
70:B3:D5:42:AMA-S2016-10-11
70:B3:D5:76:1MA-S2016-09-06
70:B3:D5:AF:9MA-S2016-02-18
70:B3:D5:B5:1MA-S2015-08-12
70:B3:D5:D5:CMA-S2017-09-27
70:B3:D5:E5:EMA-S2017-07-23
70:B3:D5:EF:9MA-S2014-04-14
70:B3:D5:F1:DMA-S2017-03-08