MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix8C:1F:64:F3:10:00 /36
Vendor addressEternitveien 34, Bjerkås næringspark bygg 1, PB 54 Slemmestad NO 3470
Country🇳🇴 Norway
RegisteredOct 28, 2021
Block range8C:1F:64:F3:10:00– 8C:1F:64:F3:1F: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:F2:F0:00 /36
Quantum Technologies Inc
Next
8C:1F:64:F3:20:00 /36
Shenzhen INVT Electric Co.,Ltd
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
International Water Treatment Maritime AS holds 1 registered blocks in the IEEE registry, ranking #16,442 of 33,427 organizations by block count.