THE WHY HOW DO COMPANY, Inc.

MA-S

MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.

Prefix8C:1F:64:FD:50:00 /36

Vendor address22 Aizumi-cho, Daisan Yamada Bldg., Shinjuku-ku Tokyo JP 160-0005

RegisteredMar 11, 2023

Block range8C:1F:64:FD:50:00– 8C:1F:64:FD:5F:FF

Address capacity4,096

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

8C:1F:64:FD:50:00 8C:1F:64:FD:57:FF 8C:1F:64:FD:5F:FF

Where this block sits

Previous 8C:1F:64:FD:40:00 /36 EMBSYS SISTEMAS EMBARCADOS Next 8C:1F:64:FD:70:00 /36 Beijing Yahong Century Technology Co., Ltd

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

THE WHY HOW DO COMPANY, Inc. holds 1 registered blocks in the IEEE registry, ranking #29,934 of 33,421 organizations by block count.