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:C0:00:00 /28
Vendor addressRoom 8B1888, Block AB, New Energy Building, No.2239, Nanhai Avenue, Nanguang Community, Nanshan Street, Nanshan District, Shenzhen Shenzhen CN 518054
Country🇨🇳 China
RegisteredApr 29, 2022
Block rangeFC:61:79:C0:00:00– FC:61:79: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
Previous
FC:61:79:B0:00:00 /28
Fulian Precision Electronics(Tianjin) Co., Ltd
Next
FC:61:79:D0:00:00 /28
Int'Act Pty Ltd
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Shenzhen Xmitech Electronic Co.,Ltd holds 3 registered blocks in the IEEE registry, ranking #1,306 of 33,421 organizations by block count.
Other blocks registered to Shenzhen Xmitech Electronic Co.,Ltd