Esys Srl MAC address blocks

The IEEE registry carries 2 blocks registered to Esys Srl, together 1.1 million addresses, first observed 10 Jun 2021, most recently 14 Jul 2026.

Registered in IT.

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
CC:39:53:2	MA-M	1 million	IT	14 Jul 2026
8C:1F:64:C1:F	MA-S	4.1 thousand	IT	10 Jun 2021

Every block registered to Esys Srl 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.