MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix70:B3:D5:01:D0:00 /36
Vendor addressLimberg 3 Gramastetten Oberoesterreich AT 4201
Country🇦🇹 Austria
RegisteredApr 20, 2014
Block range70:B3:D5:01:D0:00– 70:B3:D5:01:DF:FF
Address capacity4,096
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 20, 2014 – Nov 25, 2025 Weigl Elektronik & Mediaprojekte name changed
- Nov 25, 2025 – present Weigl GmbH & Co KG
Example addresses in this block
Where this block sits
Previous
70:B3:D5:01:C0:00 /36
Kumu Networks
Next
70:B3:D5:01:E0:00 /36
ePOINT Embedded Computing Limited
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Weigl GmbH & Co KG holds 2 registered blocks in the IEEE registry, ranking #3,413 of 33,427 organizations by block count.
Other blocks registered to Weigl GmbH & Co KG