MAC Address Lookup

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

 MAC

Rosslare Enterprises Limited

Unique prefixes: 9

Block Size: 16809975 (16.8 M)

First registration: 21 February 2011

Last updated: 18 February 2016

Types

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

MA-L: Mac Address Block Large (previously named OUI). 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:C2:78:9IAB2011-02-21
00:50:C2:B1:8IAB2011-02-21
00:50:C2:E1:AIAB2011-08-06
00:50:C2:F3:7IAB2012-03-15
40:D8:55:05:CIAB2013-04-03
40:D8:55:10:9IAB2013-06-03
40:D8:55:1A:BIAB2013-11-18
70:B3:D5:68:2MA-S2014-11-04
F8:BC:41MA-L2014-08-28