MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix9C:E4:50:90:00:00 /28
Vendor address3/F,Building 8 ,Taihua Wutong Island,Xixiang,Bao'an District China Guang Dong CN 518000
Country🇨🇳 China
RegisteredSep 8, 2025
Block range9C:E4:50:90:00:00– 9C:E4:50:9F: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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9C:E4:50:80:00:00 /28
ROHOTEK(shenzhen) Technology co., LTD
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9C:E4:50:A0:00:00 /28
AUO DISPLAY PLUS CORPORATION
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Shenzhen HQVT TECHNOLOGY Co.,LTD holds 2 registered blocks in the IEEE registry, ranking #2,999 of 33,427 organizations by block count.
Other blocks registered to Shenzhen HQVT TECHNOLOGY Co.,LTD