SecuInfo Co., Ltd.

Unique prefixes: 4

Block Size: 16380 (16.38 k)

First registration: 21 February 2011

Last updated: 03 April 2024

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 Prefix Type Registration Date
00:50:C2:54:5 IAB 2011-02-21
40:D8:55:16:E IAB 2013-09-25
70:B3:D5:B0:8 MA-S 2014-11-04
8C:1F:64:19:6 MA-S 2024-04-03