UKG MAC address blocks

The IEEE registry carries 2 blocks registered to UKG, together 17.8 million addresses, first observed 8 Sep 2000, most recently 1 Dec 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
00:40:58	MA-L	16.8 million	US	8 Sep 2000
DC:36:43:7	MA-M	1 million	US	1 Dec 2021

Every block registered to UKG 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.