MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixEC:BA:34:D0:00:00 /28
Vendor addressRua Paulo Elias, 216 São Carlos São Paulo BR 13564400
Country🇧🇷 Brazil
RegisteredAug 27, 2026
Block rangeEC:BA:34:D0:00:00– EC:BA:34:DF: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
Where this block sits
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EC:BA:34:C0:00:00 /28
Newtech Synergy Systems Pvt Ltd
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EC:BA:34:E0:00:00 /28
Green ACS Sp. z o.o.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Scenario Automation holds 7 registered blocks in the IEEE registry, ranking #446 of 33,498 organizations by block count.
Other blocks registered to Scenario Automation