MAC Address Lookup
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Former USI MAC address blocks

The IEEE registry once carried 9 blocks registered to USI. All 9 blocks are now registered to Universal Global Scientific Industrial., Ltd. Universal Global Scientific Industrial., Ltd took over all of them.

Prefix Block Addresses First registered Organization
00:10:C6MA-L16.8 million22 Apr 1998Universal Global Scientific Industrial., Ltd
00:16:41MA-L16.8 million29 Oct 2005Universal Global Scientific Industrial., Ltd
00:1A:6BMA-L16.8 million29 Nov 2006Universal Global Scientific Industrial., Ltd
00:1E:37MA-L16.8 million25 Sep 2007Universal Global Scientific Industrial., Ltd
00:21:86MA-L16.8 million18 Jun 2008Universal Global Scientific Industrial., Ltd
00:24:7EMA-L16.8 million7 Dec 2008Universal Global Scientific Industrial., Ltd
00:27:13MA-L16.8 million31 Jul 2009Universal Global Scientific Industrial., Ltd
70:F3:95MA-L16.8 million5 Mar 2010Universal Global Scientific Industrial., Ltd
E0:2A:82MA-L16.8 million28 Aug 2010Universal Global Scientific Industrial., Ltd

Complete as of the current IEEE registry deploy. Dates are when each registration was first observed in public data, not legal assignment dates.