MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixC8:FF:BF:50:00:00 /28
Vendor addressBuilding 3,No.36 Xiyong Avenue,Shapingba District Chongqing Chongqing CN 401332
Country🇨🇳 China
RegisteredMar 26, 2024
Block rangeC8:FF:BF:50:00:00– C8:FF:BF:5F: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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C8:FF:BF:40:00:00 /28
Beijing Jingyibeifang Instrument Co.,Ltd.
Next
C8:FF:BF:60:00:00 /28
Accuphy Technologies Beijing Ltd
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Chongqing Zhizhu Huaxin Technology Co.,Ltd holds 1 registered blocks in the IEEE registry, ranking #8,391 of 33,421 organizations by block count.