MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix10:DC:B6:90:00:00 /28
Vendor addressNo. 18 Building, A District, No.89,software Boulevard Fuzhou,Fujian,PRC Fuzhou FuJian CN 350003
Country🇨🇳 China
RegisteredJul 24, 2019
Block range10:DC:B6:90:00:00– 10:DC:B6:9F: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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10:DC:B6:80:00:00 /28
Sanofi (Beijing) Pharmaceutical Co., Ltd.
Next
10:DC:B6:A0:00:00 /28
Pickering Interfaces Ltd
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Fuzhou Rockchip Electronics Co.,Ltd holds 1 registered blocks in the IEEE registry, ranking #13,237 of 33,421 organizations by block count.