MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix8C:1F:64:8E:20:00 /36
Vendor addressProduct Development Department, Housing Hardware Devision Yokohama Kanagawa JP 236-0004
Country🇯🇵 Japan
RegisteredAug 1, 2021
Block range8C:1F:64:8E:20:00– 8C:1F:64:8E: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
Where this block sits
Previous
8C:1F:64:8E:00:00 /36
Reivax S/A Automação e Controle
Next
8C:1F:64:8E:30:00 /36
UniTik Technology Co., Limited
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
ALPHA Corporation holds 4 registered blocks in the IEEE registry, ranking #676 of 33,421 organizations by block count.
Other blocks registered to ALPHA Corporation