MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix70:53:3F:00:00:00 /24
Vendor addressRua Coronel Mario de Azevedo, 138 Sao Paulo SP BR 02710-020
Country🇧🇷 Brazil
RegisteredAug 10, 2013
Block range70:53:3F:00:00:00– 70:53:3F:FF:FF:FF
Address capacity16,777,216
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
Alfa Instrumentos Eletronicos Ltda. holds 1 registered blocks in the IEEE registry, ranking #4,671 of 33,427 organizations by block count.