Casa Systems MAC address blocks

The IEEE registry carries 2 blocks registered to Casa Systems, together 33.6 million addresses, first observed 2 Apr 2020, most recently 24 Apr 2021.

Registered in AU.

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
D0:DB:B7	MA-L	16.8 million	AU	24 Apr 2021
F0:2E:51	MA-L	16.8 million	AU	2 Apr 2020

Every block registered to Casa Systems 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.