SHENZHEN ZHUIFENGMA TECHNOLOGY CO., LTD (B4:A2:EB:80:00:00 /28)

SHENZHEN ZHUIFENGMA TECHNOLOGY 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:80:00:00 /28

Vendor address2 FLOOR WEST WING BLOCK 3 NO.28 LANGSHAN ROAD, NANSHAN DISTRICT SHENZHEN Guangdong CN 518040

Block rangeB4:A2:EB:80:00:00– B4:A2:EB:8F: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

B4:A2:EB:80:00:00 B4:A2:EB:87:FF:FF B4:A2:EB:8F:FF:FF