MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix8C:1F:64:0C:A0:00 /36
Vendor address6F HAT Building,11-8, Nihonbashiodenma-cho Chuo-ku Tokyo JP 1030011
Country🇯🇵 Japan
RegisteredMay 17, 2023
Block range8C:1F:64:0C:A0:00– 8C:1F:64:0C:AF: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:64:0C:80:00 /36
EA Elektro-Automatik GmbH
Next
8C:1F:64:0C:C0:00 /36
Smart I Electronics Systems Pvt. Ltd.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
CLOUD TELECOM Inc. holds 3 registered blocks in the IEEE registry, ranking #978 of 33,427 organizations by block count.
Other blocks registered to CLOUD TELECOM Inc.