MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix48:0B:B2:B0:00:00 /28
Vendor addressMetsänneidonkuja 6 Espoo FI 02130
Country🇫🇮 Finland
RegisteredJan 14, 2018
Block range48:0B:B2:B0:00:00– 48:0B:B2: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
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48:0B:B2:A0:00:00 /28
XIAMEN RONGTA TECHNOLOGY CO.,LTD.
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48:0B:B2:C0:00:00 /28
SHENZHEN TOPWELL TECHNOLOGY CO..LTD
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Popit Oy holds 1 registered blocks in the IEEE registry, ranking #23,251 of 33,427 organizations by block count.