MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix8C:1F:64:86:B0:00 /36
Vendor addressFirst Floor, Workshop Building 2,No.321,Qiaohu South Road ,Baijiao Town Doumen District Zhuhai City GuangDong CN 519125
Country🇨🇳 China
RegisteredApr 18, 2025
Block range8C:1F:64:86:B0:00– 8C:1F:64:86:BF:FF
Address capacity4,096
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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8C:1F:64:86:A0:00 /36
VisionTools Bildanalyse Systeme GmbH
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8C:1F:64:86:C0:00 /36
Abbott Diagnostics Technologies AS
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
NYIEN-YI TECHNOLOGY(ZHUHAI)CO.,LTD. holds 1 registered blocks in the IEEE registry, ranking #21,787 of 33,427 organizations by block count.