MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix70:B3:D5:DF:70:00 /36
Vendor addressTeollisuustie 1 Haukipudas FI 90830
Country🇫🇮 Finland
RegisteredJun 21, 2015
Block range70:B3:D5:DF:70:00– 70:B3:D5:DF:7F: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
- Jun 21, 2015 – Mar 6, 2021 Refecor Oy name changedaddress changed
- Mar 6, 2021 – present ScopeSensor Oy
Example addresses in this block
Where this block sits
Previous
70:B3:D5:DF:60:00 /36
Tiab Limited
Next
70:B3:D5:DF:80:00 /36
RMA Mess- und Regeltechnik GmbH & Co.KG
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
ScopeSensor Oy holds 1 registered blocks in the IEEE registry, ranking #25,403 of 33,427 organizations by block count.