MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixCC:1B:E0:80:00:00 /28
Vendor addressPapiermühle 1 Engelskirchen Engelskirchen DE 51766
Country🇩🇪 Germany
RegisteredOct 16, 2015
Block rangeCC:1B:E0:80:00:00– CC:1B:E0:8F: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
Previous
CC:1B:E0:70:00:00 /28
Sichuan Dianjia network technology Co.Ltd.
Next
CC:1B:E0:90:00:00 /28
MobiStor Technology Inc.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
MDT technologies GmbH holds 1 registered blocks in the IEEE registry, ranking #19,428 of 33,427 organizations by block count.