Cray Inc MAC address blocks

The IEEE registry carries 2 blocks registered to Cray Inc, together 33.6 million addresses, first observed 22 Apr 1998, most recently 21 Dec 2003.

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
00:0E:AB	MA-L	16.8 million	US	21 Dec 2003
00:40:A6	MA-L	16.8 million	US	22 Apr 1998

Every block registered to Cray Inc 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.