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:FC:DB:90:00:00 /28
Vendor addressPlant 202, BLDG 13, Tian'An HQ Center, No.555 North Panyu RD. Donghuan Block, Guangzhou Guangdong CN 511400
Country🇨🇳 China
RegisteredOct 16, 2015
Block range58:FC:DB:90:00:00– 58:FC:DB:9F: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:FC:DB:80:00:00 /28
Shanghai Qianjin Electronic Equipment Co. Ltd
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58:FC:DB:A0:00:00 /28
Xmodus Systems GmbH
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
HI-TARGET SURVEYING INSTRUMENT CO.,LTD holds 2 registered blocks in the IEEE registry, ranking #2,192 of 33,427 organizations by block count.