ATENIX E.E. s.r.l.

MA-L

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

Prefix00:25:6B:00:00:00 /24

Vendor addressVia Torricelli, 15/b VERONA VR IT 37135

RegisteredMar 8, 2009

Block range00:25:6B:00:00:00– 00:25:6B: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

00:25:6B:00:00:00 00:25:6B:7F:FF:FF 00:25:6B:FF:FF:FF

Where this block sits

Previous 00:25:6A:00:00:00 /24 inIT - Institut Industrial IT Next 00:25:6C:00:00:00 /24 "Azimut" Production Association JSC

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

ATENIX E.E. s.r.l. holds 1 registered blocks in the IEEE registry, ranking #5,744 of 33,421 organizations by block count.