MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixE8:FF:1E:C0:00:00 /28
Vendor addressVia Cazzaro 3 Castelfranco Veneto Treviso IT 31033
Country🇮🇹 Italy
RegisteredDec 1, 2023
Block rangeE8:FF:1E:C0:00:00– E8:FF:1E: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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E8:FF:1E:B0:00:00 /28
Melisono AB
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E8:FF:1E:D0:00:00 /28
Shenzhen AZW Technology Co., Ltd.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Fracarro Radioindustrie Srl holds 2 registered blocks in the IEEE registry, ranking #2,057 of 33,427 organizations by block count.
Other blocks registered to Fracarro Radioindustrie Srl