MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixD0:D9:4F:60:00:00 /28
Vendor addressStarwith 0914, Heungandaero427-38 Anyang Gyunggi KR 14059
Country🇰🇷 South Korea
RegisteredMar 27, 2016
Block rangeD0:D9:4F:60:00:00– D0:D9:4F:6F: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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D0:D9:4F:50:00:00 /28
Optigo Networks
Next
D0:D9:4F:70:00:00 /28
Mitsubishi Electric US, Inc.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Hyundai Autohow holds 1 registered blocks in the IEEE registry, ranking #15,379 of 33,427 organizations by block count.