MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix8C:1F:64:5A:90:00 /36
Vendor addressErsbogatan 10 Gävle Gävleborg SE 80293
Country🇸🇪 Sweden
RegisteredOct 20, 2023
Block range8C:1F:64:5A:90:00– 8C:1F:64:5A: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:64:5A:80:00 /36
VERSABYTE DATA SYSTEMS PVT LTD
Next
8C:1F:64:5A:A0:00 /36
Landis+Gyr Equipamentos de Medição Ltda
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Aktiebolag Solask Energi holds 1 registered blocks in the IEEE registry, ranking #4,597 of 33,421 organizations by block count.