MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix70:B3:D5:DE:90:00 /36
Vendor addressoffice 400, str.61, d.2/4, Luzhnetskaya nab. Moscow Moscow RU 119270
Country🇷🇺 Russia
RegisteredDec 3, 2017
Block range70:B3:D5:DE:90:00– 70:B3:D5:DE:9F: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
- Dec 3, 2017 – Oct 8, 2020 Private name changedaddress changedcountry changed
- Oct 8, 2020 – present EkspertStroyProekt LLC
Example addresses in this block
Where this block sits
Previous
70:B3:D5:DE:80:00 /36
Nation-E Ltd.
Next
70:B3:D5:DE:A0:00 /36
Advanced Ventilation Applications, Inc.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
EkspertStroyProekt LLC holds 1 registered blocks in the IEEE registry, ranking #11,359 of 33,427 organizations by block count.