MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix4C:BC:98:A0:00:00 /28
Vendor addressNO.509 LangShan Building,Nanshan Yungu Innovation Industrial Park,No.1183 Taoyuan Street,Nanshen District Shenzhen Guangdong CN 518000
Country🇨🇳 China
RegisteredNov 28, 2018
Block range4C:BC:98:A0:00:00– 4C:BC:98:AF: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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4C:BC:98:90:00:00 /28
Airtex Manufacturing Partnership
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4C:BC:98:B0:00:00 /28
Dongguan SmartAction Technology Co.,Ltd
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Shenzhen Cogitation Technology Co.,Ltd. holds 1 registered blocks in the IEEE registry, ranking #26,299 of 33,421 organizations by block count.