MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix70:B3:D5:1A:B0:00 /36
Vendor addressBogatyrsky av. 18/1 office 505 Sankt-Peterburg RU 197348
Country🇷🇺 Russia
RegisteredFeb 21, 2016
Block range70:B3:D5:1A:B0:00– 70:B3:D5:1A:BF: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 →
Example addresses in this block
Where this block sits
Previous
70:B3:D5:1A:A0:00 /36
Echo Ridge, LLC
Next
70:B3:D5:1A:C0:00 /36
SVP Broadcast Microwave S.L.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Access Control Systems JSC holds 2 registered blocks in the IEEE registry, ranking #1,437 of 33,421 organizations by block count.
Other blocks registered to Access Control Systems JSC