MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix40:A3:6B:60:00:00 /28
Vendor addressAlpenstrasse 20, P.O. Box 127 Zollikofen CH CH-3052
Country🇨🇠Switzerland
RegisteredSep 4, 2015
Block range40:A3:6B:60:00:00– 40:A3:6B:6F: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 →
Ownership timeline
- Sep 4, 2015 – Dec 21, 2018 Bixi Systems Ltd. name changedaddress changed
- Dec 21, 2018 – present Securiton AG
Example addresses in this block
Where this block sits
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40:A3:6B:50:00:00 /28
National Research Council of Canada
Next
40:A3:6B:70:00:00 /28
Pella Corporation
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Securiton AG holds 2 registered blocks in the IEEE registry, ranking #2,921 of 33,427 organizations by block count.
Other blocks registered to Securiton AG