MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixB0:47:5E:10:00:00 /28
Vendor addressroom 201 A-dong 205, Hangang-daero, Yongsan-gu seoul KR 04322
Country🇰🇷 South Korea
RegisteredOct 15, 2024
Block rangeB0:47:5E:10:00:00– B0:47:5E:1F: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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B0:47:5E:00:00:00 /28
Shanghai Kanghai Information System CO.,LTD.
Next
B0:47:5E:20:00:00 /28
Lanmus Networks Ltd
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
tintech holds 1 registered blocks in the IEEE registry, ranking #30,121 of 33,427 organizations by block count.