MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix70:B3:D5:5F:70:00 /36
Vendor addressRua Flor das Pedras, 175 Belo Horizonte Minas Gerais BR 30810-000
Country🇧🇷 Brazil
RegisteredDec 7, 2019
Block range70:B3:D5:5F:70:00– 70:B3:D5:5F:7F: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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70:B3:D5:5F:60:00 /36
FreeFlight Systems
Next
70:B3:D5:5F:80:00 /36
Forcite Helmet Systems Pty Ltd
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
JFA Electronics Industry and Commerce EIRELI holds 2 registered blocks in the IEEE registry, ranking #2,324 of 33,427 organizations by block count.
Other blocks registered to JFA Electronics Industry and Commerce EIRELI