MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixF4:3A:FA:C0:00:00 /28
Vendor addressRS 19 1A 2A Edayarpalayam Village Cuddalore Main Road Thavalakuppam IN 605007
Country🇮🇳 India
RegisteredAug 17, 2024
Block rangeF4:3A:FA:C0:00:00– F4:3A:FA:CF: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
Where this block sits
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F4:3A:FA:B0:00:00 /28
CETC Suntai Information Technology Co., Ltd.
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F4:3A:FA:D0:00:00 /28
Houngfu Technology
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Lenovo India Private Limited holds 1 registered blocks in the IEEE registry, ranking #18,367 of 33,421 organizations by block count.