MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix88:C9:B3:D0:00:00 /28
Vendor address18 Xinzhong St Dushiyangguang4-1106, Dongcheng Beijing CN 100027
Country🇨🇳 China
RegisteredFeb 26, 2021
Block range88:C9:B3:D0:00:00– 88:C9:B3: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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88:C9:B3:C0:00:00 /28
Shenzhen Viewsmart Technology Co.,Ltd
Next
88:C9:B3:E0:00:00 /28
Sercomm Corporation.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Origins Technology Limited holds 1 registered blocks in the IEEE registry, ranking #22,309 of 33,427 organizations by block count.