SHENZHEN GUANGWEN INDUSTRIAL 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:E7:90:00 /36
Vendor addressRoom No.401, NO.2 Building,No.1310 Guan Guang Road .Ku Keng, Ku Keng Community, Guanlan Street, Longhua District, Shenzhen City SHENZHEN Guangdong CN 518000
Country🇨🇳 China
Block range8C:1F:64:E7:90:00– 8C:1F:64:E7:9F: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