MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix6C:DF:FB:10:00:00 /28
Vendor addressNo.2,1 Floor,Kelly Building,No.115 Xingtong Avenue,Guilin Street office, Tongnan District Chongqing Chongqing CN 402660
Country🇨🇳 China
RegisteredSep 7, 2018
Block range6C:DF:FB:10:00:00– 6C:DF:FB:1F: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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6C:DF:FB:00:00:00 /28
Shenzhen HDCVT Technology
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6C:DF:FB:20:00:00 /28
Sercomm Corporation.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Chongqing Baoli Yota Technologies Limited holds 1 registered blocks in the IEEE registry, ranking #8,367 of 33,427 organizations by block count.