MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixF8:B5:68:A0:00:00 /28
Vendor addressKistlerhofstr. 170 Munich DE D-81379
Country🇩🇪 Germany
RegisteredOct 22, 2017
Block rangeF8:B5:68:A0:00:00– F8:B5:68: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
Previous
F8:B5:68:90:00:00 /28
Beijing Wanji Techonology Co., Ltd.
Next
F8:B5:68:B0:00:00 /28
Whizpace Pte. Ltd.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
SinePulse GmbH holds 1 registered blocks in the IEEE registry, ranking #27,495 of 33,421 organizations by block count.