MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixF0:41:C8:70:00:00 /28
Vendor addressRoom 319, Jiaoqiao Town Office Building, Economic and Technical development zone, Nanchang City, Jiangxi Province. Nanchang CN 330013
Country🇨🇳 China
RegisteredDec 3, 2017
Block rangeF0:41:C8:70:00:00– F0:41:C8:7F: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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F0:41:C8:60:00:00 /28
AED Engineering GmbH
Next
F0:41:C8:80:00:00 /28
POSTIUM KOREA CO., LTD.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Nanchang BlackShark Co.,Ltd. holds 2 registered blocks in the IEEE registry, ranking #2,574 of 33,421 organizations by block count.
Other blocks registered to Nanchang BlackShark Co.,Ltd.