HUATEN INTERNATIONAL TECHNOLOGY 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.

PrefixB4:DF:43:B0:00:00 /28

Vendor addressFLAT/RM A 15/F MANLY COMMERCIAL BUILDING 15 SOY STREET MONG KOK KL HK HK CN 518000

RegisteredJul 30, 2026

Block rangeB4:DF:43:B0:00:00– B4:DF:43:BF: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:DF:43:B0:00:00 B4:DF:43:B7:FF:FF B4:DF:43:BF:FF:FF

Where this block sits

Previous B4:DF:43:A0:00:00 /28 Huaqin Technology Co.,Ltd Next B4:DF:43:C0:00:00 /28 Raven Resonance Inc.

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

HUATEN INTERNATIONAL TECHNOLOGY LIMITED holds 1 registered blocks in the IEEE registry, ranking #15,189 of 33,421 organizations by block count.