Ultra Electronics Sonar System Division

Unique prefixes: 2

Block Size: 16781310 (16.78 M)

First registration: 12 July 2013

Last updated: 27 April 2016

Types

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 Prefix Type Registration Date
70:B3:D5:3E:D MA-S 2014-04-14
7C:06:23 MA-L 2013-07-12