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:C5:CA:C0:00:00 /28
Vendor addressVia Caravaggio, 3 Bussero MI IT 20060
Country🇮🇹 Italy
RegisteredOct 16, 2015
Block rangeB0:C5:CA:C0:00:00– B0:C5:CA:CF: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:C5:CA:B0:00:00 /28
RISECOMM (HK) TECHNOLOGY CO. LIMITED
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B0:C5:CA:E0:00:00 /28
Audio Elektronik İthalat İhracat San ve Tic A.Ş.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
XMetrics holds 1 registered blocks in the IEEE registry, ranking #32,765 of 33,427 organizations by block count.