MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixFC:61:79:A0:00:00 /28
Vendor addressRoom 706, Building Pincui, Zhongcui Garden, Dafen Community, Buji Street, Longgang District Shenzhen Guangdong CN 518000
Country🇨🇳 China
RegisteredApr 28, 2022
Block rangeFC:61:79:A0:00:00– FC:61:79:AF: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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FC:61:79:90:00:00 /28
MACH SYSTEMS s.r.o.
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FC:61:79:B0:00:00 /28
Fulian Precision Electronics(Tianjin) Co., Ltd
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Shenzhen Dptek Technology Co., Ltd. holds 1 registered blocks in the IEEE registry, ranking #26,362 of 33,427 organizations by block count.