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:D7:40:00:00 /28
Vendor addressRoom 702, 7/F., Fu Fai Commercial Centre, 27 Hillier Street, Sheung Wan Hong Kong HK 999077
CountryðŸ‡ðŸ‡° Hong Kong
RegisteredDec 18, 2016
Block range14:4F:D7:40:00:00– 14:4F:D7:4F: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:D7:30:00:00 /28
Qingdao Wodatong Electronics Co., Ltd.
Next
14:4F:D7:50:00:00 /28
FLS FINLAND OY
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Red Technology Limited holds 1 registered blocks in the IEEE registry, ranking #24,355 of 33,427 organizations by block count.