MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix8C:1F:64:E9:D0:00 /36
Vendor address2nd floor, building B3, nanfang software park, xiangzhou district zhuhai Guangdong CN 519000
Country🇨🇳 China
RegisteredDec 22, 2025
Block range8C:1F:64:E9:D0:00– 8C:1F:64:E9:DF: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
Where this block sits
Previous
8C:1F:64:E9:B0:00 /36
Discover Energy Systems Corp.
Next
8C:1F:64:E9:F0:00 /36
Lumiplan Duhamel
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Zhuhai Lonl electric Co., Ltd. holds 3 registered blocks in the IEEE registry, ranking #1,414 of 33,421 organizations by block count.