MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixBC:66:41:A0:00:00 /28
Vendor address3-5 Rue Marcel Pagnol Boussy Saint Antoine France FR 91800
Country🇫🇷 France
RegisteredOct 16, 2015
Block rangeBC:66:41:A0:00:00– BC:66:41:AF: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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BC:66:41:90:00:00 /28
Shenzhen General Measure Technology Co., Ltd
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BC:66:41:B0:00:00 /28
Sidus Novum Sp. z o. o.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
EBlink holds 1 registered blocks in the IEEE registry, ranking #11,110 of 33,427 organizations by block count.