MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixCC:39:53:00:00:00 /28
Vendor addressNo.606, Building 6, China-EU Innovation Park, Taihong Road 67, High-tech Zone, Qingdao City, Shandong Province, China QINGDAO SHANDONG CN 266112
Country🇨🇳 China
RegisteredJul 14, 2026
Block rangeCC:39:53:00:00:00– CC:39:53:0F: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.
QINGDAO SANSHUN SMART ELECTRIC APPLIANCE CO.,LTD. holds 1 registered blocks in the IEEE registry, ranking #23,823 of 33,427 organizations by block count.