MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix10:54:D2:20:00:00 /28
Vendor address3 floor Building 2,No.618 Chengliu Middle RD. Malu town, Shanghai CN 200000
Country🇨🇳 China
RegisteredDec 18, 2021
Block range10:54:D2:20:00:00– 10:54:D2:2F: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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10:54:D2:10:00:00 /28
Jiangxi Ofilm&Jvneng IoT Tech Co., Ltd.
Next
10:54:D2:30:00:00 /28
Little Array Technology (Shenzhen) Co., Ltd.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
ComNav Technology Ltd. holds 3 registered blocks in the IEEE registry, ranking #985 of 33,427 organizations by block count.
Other blocks registered to ComNav Technology Ltd.