CAL-COMP INDUSTRIA E COMERCIO DE ELETRONICOS E INFORMATICA LTDA (18:A5:9C:B0:00:00 /28)

CAL-COMP INDUSTRIA E COMERCIO DE ELETRONICOS E INFORMATICA LTDA MA-M

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

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.

Curious how a prefix like this turns into a full address? See how MAC addresses are structured →

Example addresses in this block

18:A5:9C:B0:00:00 18:A5:9C:B7:FF:FF 18:A5:9C:BF:FF:FF

Other blocks registered to CAL-COMP INDUSTRIA E COMERCIO DE ELETRONICOS E INFORMATICA LTDA

10:DC:B6:20:00:00 /28 MA-M