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:C5:80:00:00 /28
Vendor addressObertorplatz 2 Landau Deutschland (DEU) DE 76829
Country🇩🇪 Germany
RegisteredDec 13, 2018
Block range74:5B:C5:80:00:00– 74:5B:C5:8F: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:C5:70:00:00 /28
SHENZHEN ATX TECHNOLOGY CO.,LTD
Next
74:5B:C5:90:00:00 /28
Haikou Frun Flash&Mcu Microcontrol Technology Development Co.,Ltd
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
EDOMO Systems GmbH holds 1 registered blocks in the IEEE registry, ranking #11,249 of 33,427 organizations by block count.