ATOM GIKEN Co.,Ltd.

Unique prefixes: 4

Block Size: 16380 (16.38 k)

First registration: 21 February 2011

Last updated: 11 October 2016

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:C2:26:6 IAB 2011-02-21
00:50:C2:E7:B IAB 2011-09-25
70:B3:D5:7D:9 MA-S 2016-04-24
70:B3:D5:AC:5 MA-S 2016-10-11