Sumitomo Electric Industries, Ltd MAC address blocks

The IEEE registry carries 8 blocks registered to Sumitomo Electric Industries, Ltd, together 134 million addresses, first observed 22 Apr 1998, most recently 27 Jun 2025.

Registered in JP.

Its portfolio also includes blocks acquired from Sumitomo Electric Networks, Inc × 2.

Prefix Block Addresses Country First registered
00:00:5FMA-L16.8 millionJP22 Apr 1998
00:08:F6MA-L16.8 millionJP30 Jan 2002
00:0B:A2MA-L16.8 millionJP19 Nov 2002
00:1C:FCMA-L16.8 millionJP16 Jun 2007
00:25:DCMA-L16.8 millionJP12 Apr 2009
08:4E:BFMA-L16.8 millionJP28 Sep 2010
44:38:8CMA-L16.8 millionJP27 Jun 2025
A4:DE:26MA-L16.8 millionJP28 Aug 2021

Every block registered to Sumitomo Electric Industries, Ltd in the IEEE registries, complete. Free-text search also matches former owners.

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