MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixDC:4A:9E:C0:00:00 /28
Vendor address7F BLOCK C J2 BUILDING INNOVATION PARK HIGH TECH DISTRICT HEFEI AN HUI PROVINCE PR CHINA CN 220038
Country🇨🇳 China
RegisteredSep 13, 2020
Block rangeDC:4A:9E:C0:00:00– DC:4A:9E:CF: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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DC:4A:9E:B0:00:00 /28
Maxvision Technology Corp.
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DC:4A:9E:D0:00:00 /28
HAPPIEST BABY INC.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
HEFEI DATANG STORAGE TECHNOLOGY CO.,LTD holds 2 registered blocks in the IEEE registry, ranking #2,179 of 33,427 organizations by block count.
Other blocks registered to HEFEI DATANG STORAGE TECHNOLOGY CO.,LTD