MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix70:B3:D5:0E:90:00 /36
Vendor addressDvorská, 605 Lanškroun-Ostrovské Předměstí (okres Ústí nad Orlicí) CZ 56301
Country🇨🇿 Czechia
RegisteredSep 30, 2018
Block range70:B3:D5:0E:90:00– 70:B3:D5:0E: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
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70:B3:D5:0E:80:00 /36
Grossenbacher Systeme AG
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70:B3:D5:0E:A0:00 /36
AEV Broadcast Srl
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
VNT electronics s.r.o. holds 2 registered blocks in the IEEE registry, ranking #3,385 of 33,421 organizations by block count.
Other blocks registered to VNT electronics s.r.o.