Lumentum MAC address blocks

The IEEE registry carries 4 blocks registered to Lumentum, together 17.8 million addresses, first observed 8 Sep 2000, most recently 20 May 2025.

Registered in CA · TH.

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
00:01:9C	MA-L	16.8 million	CA	8 Sep 2000
FC:A2:DF:B	MA-M	1 million	TH	20 May 2025
70:B3:D5:BF:D	MA-S	4.1 thousand	CA	20 Jul 2019
8C:1F:64:3A:3	MA-S	4.1 thousand	TH	13 Jun 2023

Every block registered to Lumentum 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.