MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix8C:1F:64:93:00:00 /36
Vendor addressRoom 102, R&D Unit 1, Floors 1-2, Unit 2, Building C8, Rongke Zhigu Industrial Project(Phase Ⅲ), Liqiao Village, Hongshan District, Wuhan City Wuhan CN 430000
Country🇨🇳 China
RegisteredMay 11, 2026
Block range8C:1F:64:93:00:00– 8C:1F:64:93:0F: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 →
Ownership timeline
- May 11, 2026 – May 12, 2026 Wuhan HYAIEV Technology Co., Ltd. name changed
- May 12, 2026 – present Wuhan HYAIEV (华异) Technology Co., Ltd
Example addresses in this block
Where this block sits
Previous
8C:1F:64:92:D0:00 /36
IVOR Intelligent Electrical Appliance Co., Ltd
Next
8C:1F:64:93:10:00 /36
Noptel Oy
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Wuhan HYAIEV (华异) Technology Co., Ltd holds 1 registered blocks in the IEEE registry, ranking #32,514 of 33,427 organizations by block count.