Fibrain MAC address blocks

The IEEE registry carries 2 blocks registered to Fibrain, together 17.8 million addresses, first observed 15 Nov 2018, most recently 31 Oct 2020.

Registered in PL.

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
54:DB:A2	MA-L	16.8 million	PL	31 Oct 2020
E0:5A:9F:6	MA-M	1 million	PL	15 Nov 2018

Every block registered to Fibrain 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.