MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix90:E2:FC:B0:00:00 /28
Vendor address10/F Block C, Skyworth Building, Gaoxin South 1st Rd., Hi-Tech Park, Nanshan District Shenzhen Guangdong CN 518000
Country🇨🇳 China
RegisteredDec 4, 2019
Block range90:E2:FC:B0:00:00– 90:E2:FC: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.
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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90:E2:FC:A0:00:00 /28
Power Engineering & Manufacturing, Inc.
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90:E2:FC:C0:00:00 /28
Stanley Security
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Shenzhen Dingsheng Intelligent Technology Co., Ltd holds 1 registered blocks in the IEEE registry, ranking #26,352 of 33,427 organizations by block count.