MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix78:72:64:10:00:00 /28
Vendor addressKangqiao Business Plaza, Chengdong Road, Zhengbian Road, Guancheng District 2122 Zhengzhou City Henan Province CN 450000
Country🇨🇳 China
RegisteredAug 31, 2021
Block range78:72:64:10:00:00– 78:72:64:1F: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.
Zhengzhou Reform Intelligent Device Co., Ltd holds 1 registered blocks in the IEEE registry, ranking #33,260 of 33,427 organizations by block count.