MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix70:B3:D5:3F:70:00 /36
Vendor addressVia Alla Cascata 56/C Trento IT 38123
Country🇮🇹 Italy
RegisteredJun 10, 2018
Block range70:B3:D5:3F:70:00– 70:B3:D5:3F: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 10, 2018 – Dec 12, 2023 Advansid name changed
- Dec 12, 2023 – present CEFLA SC
Example addresses in this block
Where this block sits
Previous
70:B3:D5:3F:60:00 /36
Sycomp Electronic GmbH
Next
70:B3:D5:3F:80:00 /36
The Fire Horn, Inc.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
CEFLA SC holds 1 registered blocks in the IEEE registry, ranking #7,979 of 33,427 organizations by block count.