MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix10:63:A3:B0:00:00 /28
Vendor addressRoom 621,Building 1,D area,Huamei ju Business Center,Xinhu Road,Baoan District Shenzhen Guangdong Province CN 518100
Country🇨🇳 China
RegisteredApr 4, 2024
Block range10:63:A3:B0:00:00– 10:63:A3:BF: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.
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Example addresses in this block
Where this block sits
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Shen zhen shi shang mei dian zi shang wu you xian gong si holds 1 registered blocks in the IEEE registry, ranking #26,151 of 33,421 organizations by block count.