MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix44:A9:2C:10:00:00 /28
Vendor addressYingying building, 99 Tuanjie Road, Pukou District, Nanjing nanjing CN 211800
Country🇨🇳 China
RegisteredMay 15, 2021
Block range44:A9:2C:10:00:00– 44:A9:2C: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.
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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44:A9:2C:00:00:00 /28
ZHEJIANG HISING TECHNOLOGY CO.,LTD
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44:A9:2C:20:00:00 /28
Anhui Zhongxin Electronic Technology Co., Ltd.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
uimcom holds 1 registered blocks in the IEEE registry, ranking #30,843 of 33,427 organizations by block count.