TOPROOTTechnology Corp. Ltd. (70:B3:D5:1E:00:00 /36)

TOPROOTTechnology Corp. Ltd. MA-S

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

Prefix70:B3:D5:1E:00:00 /36

Vendor address5F-8, No. 14, Lane 609, Sec.5, Chongsin Rd., New Taipei City Taipei TW 241

Block range70:B3:D5:1E:00:00– 70:B3:D5:1E:0F: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:D5:1E:00:00 70:B3:D5:1E:07:FF 70:B3:D5:1E:0F:FF

Other blocks registered to TOPROOTTechnology Corp. Ltd.

40:A3:6B:20:00:00 /28 MA-M 00:50:C2:CC:70:00 /36 IAB