MITSUBISHI ELECTRIC SYSTEM & SERVICE CO.,LTD. MAC address blocks

The IEEE registry carries 3 blocks registered to MITSUBISHI ELECTRIC SYSTEM & SERVICE CO.,LTD., together 16.8 million addresses, first observed 3 Aug 2002, most recently 23 May 2025.

Registered in JP · US.

Cumulative address space by first-observed date on a linear scale sized to this chart; hover for date and total.

Prefix	Block	Addresses	Country	First registered
00:0A:66	MA-L	16.8 million	JP	3 Aug 2002
40:D8:55:0B:4	IAB	4.1 thousand	US	10 Mar 2013
8C:1F:64:E0:5	MA-S	4.1 thousand	JP	23 May 2025

Every block registered to MITSUBISHI ELECTRIC SYSTEM & SERVICE CO.,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.