MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix70:B3:D5:23:30:00 /36
Vendor addressVia Cendon 39 Silea IT 31057
Country🇮🇹 Italy
RegisteredMar 11, 2023
Block range70:B3:D5:23:30:00– 70:B3:D5:23:3F: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
- Mar 11, 2023 – Jul 4, 2023 RCH Vietnam Limited Liability Company name changedaddress changedcountry changed
- Jul 4, 2023 – present RCH SPA
Example addresses in this block
Where this block sits
Previous
70:B3:D5:23:20:00 /36
UCONSYS
Next
70:B3:D5:23:40:00 /36
EDFelectronics JRMM Sp z o.o. sp.k.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
RCH SPA holds 11 registered blocks in the IEEE registry, ranking #289 of 33,421 organizations by block count.
Other blocks registered to RCH SPA