TOYOGIKEN CO.,LTD.

MA-S

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

Prefix8C:1F:64:CC:20:00 /36

Vendor addressOsachi Gongencho 4-8-7 Okaya Nagano JP 3940081

RegisteredJan 31, 2023

Block range8C:1F:64:CC:20:00– 8C:1F:64:CC:2F: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:CC:20:00 8C:1F:64:CC:27:FF 8C:1F:64:CC:2F:FF

Where this block sits

Previous 8C:1F:64:CC:10:00 /36 VITREA Smart Home Technologies Ltd. Next 8C:1F:64:CC:30:00 /36 KRONOTECH SRL

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

TOYOGIKEN CO.,LTD. holds 1 registered blocks in the IEEE registry, ranking #30,357 of 33,427 organizations by block count.