MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix8C:1F:64:91:D0:00 /36
Vendor address396,Seocho-daero, seocho-gu, seoul, 06619 KR KR 06619
Country🇰🇷 South Korea
RegisteredAug 18, 2022
Block range8C:1F:64:91:D0:00– 8C:1F:64:91:DF: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:64:91:C0:00 /36
Cospowers Changsha Branch
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8C:1F:64:92:00:00 /36
VuWall Technology Europe GmbH
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
enlighten holds 1 registered blocks in the IEEE registry, ranking #11,854 of 33,427 organizations by block count.