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:A5:79:30:00:00 /28
Vendor addressIndustriestrasse 30 Sulgen CH 8583
Country🇨🇠Switzerland
RegisteredJan 20, 2024
Block range80:A5:79:30:00:00– 80:A5:79:3F: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
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80:A5:79:20:00:00 /28
Jiangsu wonder-working electric co., LTD
Next
80:A5:79:40:00:00 /28
Hardened Networks
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Tool-Temp AG holds 1 registered blocks in the IEEE registry, ranking #30,256 of 33,427 organizations by block count.