MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixDC:44:27:90:00:00 /28
Vendor addressNo.2 Xinxiu Street,Hunnan New District,Shenyang,Liaoning,China Shenyang Liaoning CN 110179
Country🇨🇳 China
RegisteredOct 16, 2015
Block rangeDC:44:27:90:00:00– DC:44:27:9F: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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DC:44:27:80:00:00 /28
Wharton Electronics Ltd
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DC:44:27:A0:00:00 /28
Shanghai Huahong Integrated Circuit Co.,Ltd
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Neusoft Corporation holds 1 registered blocks in the IEEE registry, ranking #21,124 of 33,427 organizations by block count.