MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixF4:90:CB:80:00:00 /28
Vendor address502,12rd floor,no.2,Fangheng International Center Beijing, Chaoyang district 100102 Beijing Beijing CN 100102
Country🇨🇳 China
RegisteredFeb 12, 2020
Block rangeF4:90:CB:80:00:00– F4:90:CB: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.
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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.
Beijing Penslink Co., Ltd. holds 1 registered blocks in the IEEE registry, ranking #6,666 of 33,427 organizations by block count.