MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix3C:FA:D3:D0:00:00 /28
Vendor addressRoom 105A, building 5#, No. 20-24 East Huoju Road, Huoju Park, Xiamen Torch Hi-tech zone Xiamen CN 361006
Country🇨🇳 China
RegisteredNov 15, 2019
Block range3C:FA:D3:D0:00:00– 3C:FA:D3:DF: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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3C:FA:D3:C0:00:00 /28
Shenzhen zhong ju Fiber optical Co.Ltd
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3C:FA:D3:E0:00:00 /28
Mirico
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
AMobile Solutions (Xiamen) CO. , LTD. holds 1 registered blocks in the IEEE registry, ranking #4,984 of 33,421 organizations by block count.