MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:04:DF:00:00:00 /24
Vendor addressRUA AMERICA N.1000 Eldorado do Sul - RS BR Brazil
Country🇧🇷 Brazil
RegisteredJan 24, 2001
Block range00:04:DF:00:00:00– 00:04:DF: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.
Curious how a prefix like this turns into a full address? See how MAC addresses are structured →
Ownership timeline
- Jan 24, 2001 – Dec 11, 2018 Teracom Telematica Ltda. name changedaddress changed
- Dec 11, 2018 – present TERACOM TELEMATICA S.A
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.
TERACOM TELEMATICA S.A holds 4 registered blocks in the IEEE registry, ranking #862 of 33,421 organizations by block count.
Other blocks registered to TERACOM TELEMATICA S.A