MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix8C:1F:64:81:90:00 /36
Vendor address#A-811, 142-10, Saneop-ro, 156 beon-gil Gwonseon-gu Suwon-si KR 16648
Country🇰🇷 South Korea
RegisteredOct 1, 2024
Block range8C:1F:64:81:90:00– 8C:1F:64:81:9F: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
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8C:1F:64:81:70:00 /36
nke marine electronics
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8C:1F:64:81:A0:00 /36
Gemini Electronics B.V.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
WARECUBE,INC holds 8 registered blocks in the IEEE registry, ranking #399 of 33,421 organizations by block count.