MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixFC:A2:DF:90:00:00 /28
Vendor addressRoom 501-1, 5th Floor, Building 23, Courtyard 6, Haiying Road, Fengtai District, Beijing, China Beijing CN 100071
Country🇨🇳 China
RegisteredMay 15, 2025
Block rangeFC:A2:DF:90:00:00– FC:A2:DF:9F: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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FC:A2:DF:80:00:00 /28
boger electronics gmbh
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FC:A2:DF:A0:00:00 /28
BPL MEDICAL TECHNOLOGIES PRIVATE LIMITED
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Beijing KSL Electromechanical Technology Development Co.,Ltd holds 1 registered blocks in the IEEE registry, ranking #6,618 of 33,427 organizations by block count.