MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix70:B3:D5:68:90:00 /36
Vendor addressVia Petrocchi, 4 Milano MI IT 20127
Country🇮🇹 Italy
RegisteredOct 22, 2017
Block range70:B3:D5:68:90:00– 70:B3:D5:68:9F: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 →
Example addresses in this block
Where this block sits
Previous
70:B3:D5:68:80:00 /36
MG s.r.l.
Next
70:B3:D5:68:A0:00 /36
Advanced Telecommunications Research Institute International
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Prisma Telecom Testing Srl holds 2 registered blocks in the IEEE registry, ranking #2,760 of 33,421 organizations by block count.
Other blocks registered to Prisma Telecom Testing Srl