MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix18:A5:9C:B0:00:00 /28
Vendor addressAVENIDA TORQUATO TAPAJOS, 7503 TARUMA GALPAO 2 - CNPJ: 07.200.194/0003-80 MANAUS AMAZONAS BR 69041-025
Country🇧🇷 Brazil
RegisteredFeb 12, 2022
Block range18:A5:9C:B0:00:00– 18:A5:9C:BF:FF:FF
Address capacity1,048,576
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.
CAL-COMP INDUSTRIA E COMERCIO DE ELETRONICOS E INFORMATICA LTDA holds 2 registered blocks in the IEEE registry, ranking #1,675 of 33,421 organizations by block count.
Other blocks registered to CAL-COMP INDUSTRIA E COMERCIO DE ELETRONICOS E INFORMATICA LTDA