MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix64:31:39:00:00:00 /28
Vendor addressUnit 2C,Building A6,Guangming Science Park,Guangming Road 3009 Shenzhen Guangdong CN 518000
Country🇨🇳 China
RegisteredSep 8, 2019
Block range64:31:39:00:00:00– 64:31:39:0F: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.
SHENZHEN EMEET INTELLIGENT TECHNOLOGY CO., LTD. holds 2 registered blocks in the IEEE registry, ranking #2,988 of 33,427 organizations by block count.
Other blocks registered to SHENZHEN EMEET INTELLIGENT TECHNOLOGY CO., LTD.