Otis Technology and Development(Shanghai) Co., Ltd.
MA-S
MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix8C:1F:64:79:10:00 /36
Vendor address3rd Floor, Building 2, No. 200, Zhangheng Road, China (Shanghai) Pilot Free Trade Zone Shanghai Shanghai CN 201204
Country🇨🇳 China
Block range8C:1F:64:79:10:00– 8C:1F:64:79:1F: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