MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix18:FD:CB:30:00:00 /28
Vendor addressKurt-Schumacher-Str. 13 Germering DE 82110
Country🇩🇪 Germany
RegisteredJul 23, 2020
Block range18:FD:CB:30:00:00– 18:FD:CB: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 →
Ownership timeline
- Jul 23, 2020 – Apr 16, 2026 Staclar, Inc. name changedaddress changedcountry changed
- Apr 16, 2026 – present Blahaj Studio
Example addresses in this block
Where this block sits
Previous
18:FD:CB:20:00:00 /28
Cabtronix AG
Next
18:FD:CB:40:00:00 /28
Gosuncn Technology Group Co.,LTD.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Blahaj Studio holds 1 registered blocks in the IEEE registry, ranking #7,091 of 33,421 organizations by block count.