MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixB4:4B:D6:B0:00:00 /28
Vendor address#18, Dangjeong-Ro, Gunpo-Si, Gyeonggi-Do, KR 15849
Country🇰🇷 South Korea
RegisteredApr 8, 2018
Block rangeB4:4B:D6:B0:00:00– B4:4B:D6:BF: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
Previous
B4:4B:D6:A0:00:00 /28
Shenzhen Huabai Intelligent Technology Co., Ltd.
Next
B4:4B:D6:C0:00:00 /28
Impakt S.A.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
DongYoung media holds 1 registered blocks in the IEEE registry, ranking #10,698 of 33,427 organizations by block count.