MAC Address Lookup

 MAC

Sei S.p.A.

Unique prefixes: 2

Block Size: 16781310 (16.78 M)

First registration: 25 October 2008

Last updated: 17 November 2015

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)

MAC PrefixTypeRegistration Date
00:50:C2:17:5IAB2011-02-21
00:22:B3MA-L2008-10-25