MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix50:FA:CB:30:00:00 /28
Vendor address1 Jixiang Avenue, Jingkai district, Huaihua , Hunan Province (5th floor, building 8, luggage and leather creative industrial park) Huaihua CN 418000
Country🇨🇳 China
RegisteredAug 27, 2025
Block range50:FA:CB:30:00:00– 50:FA:CB:3F: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
Where this block sits
Previous
50:FA:CB:20:00:00 /28
Kyocera AVX Components (Timisoara) SRL
Next
50:FA:CB:40:00:00 /28
Darveen Technology Limited
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Huaihua Jiannan Electronic Technology Co.,Ltd. holds 1 registered blocks in the IEEE registry, ranking #15,182 of 33,427 organizations by block count.