QKM Technology(Dongguan)Co.,Ltd
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.
PrefixB4:A2:EB:00:00:00 /28
Vendor address2F,Block A Building 17,NO. 1,Headquarter,No.4,Xinzhu Road,SSL National Hi-tech Industrial Development Zone Dongguan Guangdong CN 523808
Country🇨🇳 China
Block rangeB4:A2:EB:00:00:00– B4:A2:EB:0F: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