MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix0C:FE:5D:30:00:00 /28
Vendor addressRM501, 5F, DASCOM BD,NO.9 SHANGDI EAST RD, HAIDIAN DISTRICT,BEIJING,CHINA Beijing CN 100085
Country🇨🇳 China
RegisteredAug 19, 2018
Block range0C:FE:5D:30:00:00– 0C:FE:5D:3F: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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0C:FE:5D:20:00:00 /28
Dspread International Co.,Limited
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0C:FE:5D:40:00:00 /28
Yantai Dongfang Wisdom Electic Co.,Ltd.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Beijing WayClouds Technology Co., Ltd. holds 1 registered blocks in the IEEE registry, ranking #6,753 of 33,421 organizations by block count.