MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix0C:BF:B4:00:00:00 /28
Vendor address11 Alley 21 Lane 20 Dashing Rd.,Luchu Dist Taoyuan City 33862, Taiwan Taoyuan City Taiwan TW 33862
Country🇹🇼 Taiwan
RegisteredOct 25, 2025
Block range0C:BF:B4:00:00:00– 0C:BF:B4:0F: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.
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Example addresses in this block
Where this block sits
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Acula Technology Corp holds 1 registered blocks in the IEEE registry, ranking #4,012 of 33,421 organizations by block count.