Guo He Xing Ke (ShenZhen) Technology Co.,Ltd.
MA-S
MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix8C:1F:64:FD:20:00 /36
Vendor address4th Floor, Building 2, Jiuzhou Industrial Park, #10, 19th Rd, Tongguan Rd, Tianliao Community, Yutang, Guangming Dist., Shenzhen,Guangdong Province,China Guangdong province ShenZhen CN 518107
Country🇨🇳 China
Block range8C:1F:64:FD:20:00– 8C:1F:64:FD:2F: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