MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix58:76:07:20:00:00 /28
Vendor addressNo.585, Maxia Road, Wuzhong District SUZHOU JiangSu CN 215124
Country🇨🇳 China
RegisteredNov 14, 2025
Block range58:76:07:20:00:00– 58:76:07:2F: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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58:76:07:10:00:00 /28
Shing Chong International Co., Ltd.
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58:76:07:30:00:00 /28
Shenzhen HANSWELL Technology Co., Ltd.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Controlway(Suzhou) Electric Co., Ltd. holds 1 registered blocks in the IEEE registry, ranking #9,131 of 33,427 organizations by block count.