Xirrus Inc. MAC address blocks

The IEEE registry carries 2 blocks registered to Xirrus Inc., together 33.6 million addresses, first observed 19 Oct 2011, most recently 17 Sep 2014.

Registered in US.

Prefix Block Addresses Country First registered
48:C0:93MA-L16.8 millionUS17 Sep 2014
50:60:28MA-L16.8 millionUS19 Oct 2011

Every block registered to Xirrus 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.