MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix8C:1F:64:D5:20:00 /36
Vendor addressParque Industrial de Taveiro, Lote 49 Coimbra 504208187 PT 3045-504
Country🇵🇹 Portugal
RegisteredOct 8, 2021
Block range8C:1F:64:D5:20:00– 8C:1F:64:D5:2F: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.
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Example addresses in this block
Where this block sits
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Critical Software SA holds 1 registered blocks in the IEEE registry, ranking #9,400 of 33,421 organizations by block count.