ZUUM MAC address blocks

The IEEE registry carries 2 blocks registered to ZUUM, together 1.1 million addresses, first observed 1 Sep 2021, most recently 6 Jul 2022.

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
D4:20:00:D	MA-M	1 million	US	6 Jul 2022
8C:1F:64:70:8	MA-S	4.1 thousand	US	1 Sep 2021

Every block registered to ZUUM 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.