Rohde&Schwarz Topex SA (70:B3:D5:29:60:00 /36)

Rohde&Schwarz Topex SA MA-S

MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.

Prefix70:B3:D5:29:60:00 /36

Vendor address71th-73th Nicolae Caramfil street, 2nd floor, 1th district Bucuresti Romania RO 014142

Block range70:B3:D5:29:60:00– 70:B3:D5:29:6F: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

70:B3:D5:29:60:00 70:B3:D5:29:67:FF 70:B3:D5:29:6F:FF

Other blocks registered to Rohde&Schwarz Topex SA

DC:44:27:D0:00:00 /28 MA-M 00:50:C2:40:30:00 /36 IAB 00:50:C2:85:50:00 /36 IAB 00:50:C2:92:A0:00 /36 IAB 00:50:C2:9E:C0:00 /36 IAB 00:50:C2:BF:A0:00 /36 IAB 00:50:C2:C9:E0:00 /36 IAB 00:50:C2:D4:70:00 /36 IAB 00:50:C2:DD:30:00 /36 IAB 00:50:C2:E2:A0:00 /36 IAB 00:50:C2:E4:B0:00 /36 IAB 00:50:C2:EA:D0:00 /36 IAB