MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixEC:A7:B1:80:00:00 /28
Vendor address908Room 9th Floor, Jiaye Plaza, No. 2055, Bixin Road, Longgang Street Shenzhen Guangdong CN 518116
Country🇨🇳 China
RegisteredAug 7, 2024
Block rangeEC:A7:B1:80:00:00– EC:A7:B1:8F: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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EC:A7:B1:70:00:00 /28
Shenzhen Lanroot Technology Co., Ltd
Next
EC:A7:B1:90:00:00 /28
Print International Limited
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Shenzhen zhst video technology co.,ltd holds 1 registered blocks in the IEEE registry, ranking #27,117 of 33,427 organizations by block count.