MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix80:1D:0D:30:00:00 /28
Vendor addressRoom 103, No. 1, Second Avenue, Tianjin Airport International Logistics Park, Tianjin Pilot Free TradeZone Tianjin Tianjin CN 300000
Country🇨🇳 China
RegisteredMar 23, 2026
Block range80:1D:0D:30:00:00– 80:1D:0D:3F: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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80:1D:0D:20:00:00 /28
SZ Spinning Power Top Boundary Technology Co.Ltd.
Next
80:1D:0D:40:00:00 /28
GTL Tecnologia e Sistemas Ltda
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Lecoo Technology Co.,Ltd. holds 2 registered blocks in the IEEE registry, ranking #2,399 of 33,427 organizations by block count.
Other blocks registered to Lecoo Technology Co.,Ltd.