ITLook

MA-L

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

PrefixB4:E0:25:00:00:00 /24

Vendor addressKarla Marksa st. 3b Ufa RU 450008

RegisteredSep 18, 2024

Block rangeB4:E0:25:00:00:00– B4:E0:25: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

B4:E0:25:00:00:00 B4:E0:25:7F:FF:FF B4:E0:25:FF:FF:FF

Where this block sits

Previous B4:E0:1D:00:00:00 /24 CONCEPTION ELECTRONIQUE

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

ITLook holds 1 registered blocks in the IEEE registry, ranking #16,852 of 33,427 organizations by block count.