JieChuang HeYi(Beijing) 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:E8:F0:00 /36
Vendor addressRoom 102, 1st Floor, Beijing Jizhida Scientific Research Building, No. 1 Institute, Development Road, Beijing International Information Industry Base, Huilongguan, Changping District, Beijing Beijing Beijing CN 102206
Country🇨🇳 China
Block range8C:1F:64:E8:F0:00– 8C:1F:64:E8:FF: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