Avilution

MA-M

MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.

PrefixF4:90:CB:50:00:00 /28

Vendor address103 Shoreline Dr Madison AL US 35758

RegisteredJan 22, 2020

Block rangeF4:90:CB:50:00:00– F4:90:CB:5F:FF:FF

Address capacity1,048,576

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

F4:90:CB:50:00:00 F4:90:CB:57:FF:FF F4:90:CB:5F:FF:FF

Where this block sits

Previous F4:90:CB:40:00:00 /28 OmniNet Next F4:90:CB:60:00:00 /28 Airbeam Wireless Technologies Inc.

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

Avilution holds 1 registered blocks in the IEEE registry, ranking #6,063 of 33,427 organizations by block count.