MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix30:09:F9:A0:00:00 /28
Vendor address5-10 Building High-tech Zone, Nanshan District, Shenzhen Guangdong Province CN 518057
Country🇨🇳 China
RegisteredMay 13, 2018
Block range30:09:F9:A0:00:00– 30:09:F9:AF: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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30:09:F9:90:00:00 /28
Bonraybio
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30:09:F9:B0:00:00 /28
Sichuan Nebula Networks Co.,LTD.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Shenzhen Tencent Computer System Co., Ltd. holds 3 registered blocks in the IEEE registry, ranking #1,295 of 33,427 organizations by block count.
Other blocks registered to Shenzhen Tencent Computer System Co., Ltd.