MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixF0:40:AF:B0:00:00 /28
Vendor addressRoom 507, Building C3, East Industrial Zone, No.12 Wenchang Street, Xiangshan Street Community, Shahe Subdistrict, Nanshan District, Shenzhen, Guangdong, China Shenzhen CN 518000
Country🇨🇳 China
RegisteredSep 19, 2025
Block rangeF0:40:AF:B0:00:00– F0:40:AF: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.
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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.
Shenzhen BitFantasy Technology Co., Ltd holds 1 registered blocks in the IEEE registry, ranking #26,248 of 33,421 organizations by block count.