MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixA8:5B:36:D0:00:00 /28
Vendor addressAdam-Hall-Str. 1 Neu-Anspach Hessen DE 61267
Country🇩🇪 Germany
RegisteredApr 25, 2021
Block rangeA8:5B:36:D0:00:00– A8:5B:36:DF: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
A8:5B:36:C0:00:00 /28
ATER Technologies Co Ltd
Next
A8:5B:36:E0:00:00 /28
ORBITVU Sp. z o. o.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Adam Hall GmbH holds 1 registered blocks in the IEEE registry, ranking #4,035 of 33,421 organizations by block count.