Ontex BV

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.

PrefixCC:4F:5C:B0:00:00 /28

Vendor addressGenthof 5 Buggenhout NA BE 9255

RegisteredAug 6, 2020

Block rangeCC:4F:5C:B0:00:00– CC:4F:5C:BF: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

CC:4F:5C:B0:00:00 CC:4F:5C:B7:FF:FF CC:4F:5C:BF:FF:FF

Where this block sits

Previous CC:4F:5C:A0:00:00 /28 AZ-TECHNOLOGY SDN BHD Next CC:4F:5C:C0:00:00 /28 Beijing Cotytech Technology Co.,LTD.

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

Ontex BV holds 1 registered blocks in the IEEE registry, ranking #22,046 of 33,427 organizations by block count.