MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix80:1D:0D:10:00:00 /28
Vendor addressHauptstr. 45-47 Kirchseeon Bavaria DE 85614
Country🇩🇪 Germany
RegisteredMar 27, 2026
Block range80:1D:0D:10:00:00– 80:1D:0D:1F: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
80:1D:0D:00:00:00 /28
KbDevice,Inc.
Next
80:1D:0D:20:00:00 /28
SZ Spinning Power Top Boundary Technology Co.Ltd.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Hörmann Warnsysteme GmbH holds 2 registered blocks in the IEEE registry, ranking #2,140 of 33,427 organizations by block count.
Other blocks registered to Hörmann Warnsysteme GmbH