MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixF4:69:D5:90:00:00 /28
Vendor address17F,building 2,CES west bund center,No.277 longlan road,xuhui,district Shanghai CN 200232
Country🇨🇳 China
RegisteredMay 29, 2020
Block rangeF4:69:D5:90:00:00– F4:69:D5:9F: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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F4:69:D5:80:00:00 /28
WiFi Nation Ltd
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F4:69:D5:A0:00:00 /28
ShenZhenShi EVADA technology Co.,Ltd
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Terminus (Shanghai) Technology Co.,Ltd. holds 1 registered blocks in the IEEE registry, ranking #29,779 of 33,427 organizations by block count.