C.T. ELETTRONICA

MA-L

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

Prefix00:1A:CF:00:00:00 /24

Vendor addressVia Caduti di Nassiriya 5 B Barberino Val D'Elsa (FI) IT 50021

RegisteredDec 17, 2006

Block range00:1A:CF:00:00:00– 00:1A:CF: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

00:1A:CF:00:00:00 00:1A:CF:7F:FF:FF 00:1A:CF:FF:FF:FF

Where this block sits

Previous 00:1A:CE:00:00:00 /24 YUPITERU CORPORATION Next 00:1A:D0:00:00:00 /24 Albis Technologies AG

The nearest registered blocks of the same size on either side of this one in IEEE's address space.

C.T. ELETTRONICA holds 1 registered blocks in the IEEE registry, ranking #7,618 of 33,421 organizations by block count.