Elettronica Santerno SpA (90:51:3F:00:00:00 /24)

Elettronica Santerno SpA MA-L

MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.

Prefix90:51:3F:00:00:00 /24

Vendor addressVia della Concia 7 Castel Guelfo (BO) IT 40026

Block range90:51:3F:00:00:00– 90:51:3F:FF:FF:FF

Address capacity16,777,216

AdministrationUniversally administered: its prefix comes from a block registered through the IEEE Registration Authority

TransmissionUnicast: addressed to a single device

SourceIEEE Registration Authority

Address capacity is the size of this registered block, not a count of devices actually manufactured or online. Registration identifies the organization holding the block, not a specific device model or unit.

Curious how a prefix like this turns into a full address? See how MAC addresses are structured →

Example addresses in this block

90:51:3F:00:00:00 90:51:3F:7F:FF:FF 90:51:3F:FF:FF:FF

Other blocks registered to Elettronica Santerno SpA

00:50:C2:44:A0:00 /36 IAB