Software Systems Plus MAC address blocks

The IEEE registry carries 4 blocks registered to Software Systems Plus, together 16.4 thousand addresses, first observed 25 Jan 2009, most recently 11 Jul 2021.

Registered in 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
00:50:C2:A3:7	IAB	4.1 thousand	US	25 Jan 2009
70:B3:D5:7D:C	MA-S	4.1 thousand	US	29 Jul 2018
70:B3:D5:F0:1	MA-S	4.1 thousand	US	15 Mar 2015
8C:1F:64:39:8	MA-S	4.1 thousand	US	11 Jul 2021

Every block registered to Software Systems Plus 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.