MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix14:4F:D7:C0:00:00 /28
Vendor address11th Floor,AXA Centre, 151 Gloucester Road Hong Kong HONGKONG CN 999077
Country🇨🇳 China
RegisteredDec 11, 2016
Block range14:4F:D7:C0:00:00– 14:4F:D7:CF: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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14:4F:D7:B0:00:00 /28
Arkus-ST Ltd
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14:4F:D7:D0:00:00 /28
Shanghai B&A Technology Co., Ltd
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
D&S Cable Industries (HK) Limited holds 1 registered blocks in the IEEE registry, ranking #9,663 of 33,427 organizations by block count.