Zhuhai Yunzhou Intelligence Technology Ltd.
MA-S
MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix8C:1F:64:25:40:00 /36
Vendor addressRoom 311,312A,Floor 3,Heung Shan TechPort,No.3888 Qinglv North Road,Tangjiawan Town Zhuhai Guangdong CN 519000
Country🇨🇳 China
Block range8C:1F:64:25:40:00– 8C:1F:64:25:4F: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