MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix74:5B:C5:A0:00:00 /28
Vendor address220 rue du chene vert LABEGE FR 31670
Country🇫🇷 France
RegisteredDec 11, 2018
Block range74:5B:C5:A0:00:00– 74:5B:C5: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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74:5B:C5:90:00:00 /28
Haikou Frun Flash&Mcu Microcontrol Technology Development Co.,Ltd
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74:5B:C5:B0:00:00 /28
Smartiply Inc.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Fournie Grospaud Energie SASU holds 1 registered blocks in the IEEE registry, ranking #12,978 of 33,427 organizations by block count.