MAC Address Lookup / All vendors / Active Research Limited
Active Research Limited MAC address blocks The IEEE registry carries 4 blocks registered to Active Research Limited, together 1.1 million addresses, first observed 27 Mar 2016, most recently 6 May 2026.
Registered in GB .
Active Research Limited allocations
Cumulative address space by first-observed date on a linear scale sized to this chart; hover for date and total.
1 million
500 thousand
1998
2026
2004
2010
2016
2022
Cumulative address space by first-observed date on a linear scale sized to this chart; hover for date and total.
Every block registered to Active Research Limited 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.