Sophos Ltd MAC address blocks

The IEEE registry carries 4 blocks registered to Sophos Ltd, together 67.1 million addresses, first observed 5 Dec 2006, most recently 15 Apr 2023.

Registered in GB.

Prefix Block Addresses Country First registered
00:1A:8CMA-L16.8 millionGB5 Dec 2006
7C:5A:1CMA-L16.8 millionGB27 Oct 2016
A8:91:62MA-L16.8 millionGB15 Apr 2023
C8:4F:86MA-L16.8 millionGB23 Oct 2018

Every block registered to Sophos Ltd 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.