MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixA4:DA:22:D0:00:00 /28
Vendor addressSOUTHERN BUILDING 5388 Shang Bu Industrial Zone Huaqiang North Road Futian District shen zhen city Guang Dong Province CN 518000
Country🇨🇳 China
RegisteredNov 12, 2017
Block rangeA4:DA:22:D0:00:00– A4:DA:22: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.
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Example addresses in this block
Where this block sits
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Shen Zhen City YaKun Electronics Co., Ltd holds 1 registered blocks in the IEEE registry, ranking #26,143 of 33,427 organizations by block count.