MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix2C:C4:4F:B0:00:00 /28
Vendor addressNo.21 Qingying Road, Wujin District Changzhou Jiangsu CN 213100
Country🇨🇳 China
RegisteredOct 20, 2023
Block range2C:C4:4F:B0:00:00– 2C:C4:4F:BF: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.
Curious how a prefix like this turns into a full address? See how MAC addresses are structured →
Example addresses in this block
Where this block sits
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2C:C4:4F:A0:00:00 /28
Shenzhen OneThing Technologies Co.,Ltd.
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2C:C4:4F:C0:00:00 /28
Beijing Xiaoqu Zhipin Technology Co., Ltd
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
CAMS New Energy Technology Co., Ltd. holds 1 registered blocks in the IEEE registry, ranking #7,743 of 33,427 organizations by block count.