MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixF8:C9:D6:10:00:00 /28
Vendor address5th Floor, North Lobby, Building B, East Side Science and Innovation Center, Phase III, Zhongguancun Dongsheng Science and Technology Park, Haidian District, Beijing Beijing CN 100080
Country🇨🇳 China
RegisteredMay 4, 2026
Block rangeF8:C9:D6:10:00:00– F8:C9:D6:1F: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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F8:C9:D6:00:00:00 /28
Ningbo Ming Sing Optical R&D Co.,Ltd
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F8:C9:D6:20:00:00 /28
Annapurna labs
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Beijing Mlink Technology Inc. holds 1 registered blocks in the IEEE registry, ranking #6,641 of 33,421 organizations by block count.