OctoGate IT Security Systems GmbH

Unique prefixes: 2

Block Size: 16781310 (16.78 M)

First registration: 06 August 2011

Last updated: 26 November 2020


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
00:1B:C5:03:0 MA-S 2011-08-06
80:C5:01 MA-L 2020-11-26