MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixC0:83:59:80:00:00 /28
Vendor addressLuxemburger Strasse 1 Essen NRW DE 45131
Country🇩🇪 Germany
RegisteredApr 22, 2018
Block rangeC0:83:59:80:00:00– C0:83:59:8F: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 →
Ownership timeline
- Apr 22, 2018 – Jan 11, 2025 ista International GmbH name changed
- Jan 11, 2025 – present Ista SE
Example addresses in this block
Where this block sits
Previous
C0:83:59:70:00:00 /28
Fuzhou Fdlinker Technology Co.,LTD
Next
C0:83:59:90:00:00 /28
Shenzhen Pay Device Technology Co., Ltd.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Ista SE holds 1 registered blocks in the IEEE registry, ranking #16,795 of 33,427 organizations by block count.