macadress

YUNZHI IOT TECHNOLOGY CO,.LIMITED

MA-M
MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix94:3E:FD:20:00:00 /28
Vendor addressRoom 15, 11th Floor, Wah Fai Plaza, 1008 Tai Nan West Street, Lai Chi Kok, Kowloon Hong Kong HK 999077
Country🇭🇰  Hong Kong
RegisteredFeb 25, 2025
Block range94:3E:FD:20:00:00– 94:3E:FD:2F:FF:FF
Address capacity1,048,576
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

94:3E:FD:20:00:00 94:3E:FD:27:FF:FF 94:3E:FD:2F:FF:FF

Where this block sits

Previous 94:3E:FD:10:00:00 /28 ShenZhen Chino-e Communication Co., Ltd. Next 94:3E:FD:30:00:00 /28 Bertin GmbH

The nearest registered blocks of the same size on either side of this one in IEEE's address space.

YUNZHI IOT TECHNOLOGY CO,.LIMITED holds 1 registered blocks in the IEEE registry, ranking #33,040 of 33,427 organizations by block count.