MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix50:FF:99:30:00:00 /28
Vendor addressRoom 202,Building 2,No.65,Lane1398,Xin Zhu Road, Minhang District Shanghai. shanghai shanghai CN 201100
Country🇨🇳 China
RegisteredFeb 21, 2016
Block range50:FF:99:30:00:00– 50:FF:99:3F: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
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50:FF:99:20:00:00 /28
SHENZHEN KINGVT ELECTRONICS CO.,LTD
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50:FF:99:40:00:00 /28
IPC Global
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Yongjing Shanghai Electronic Science and Technology holds 1 registered blocks in the IEEE registry, ranking #32,969 of 33,427 organizations by block count.