KST technology

MA-S

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

Prefix70:B3:D5:CB:30:00 /36

Vendor addressKST B/D 4-5, Wiryeseong-daero 12-gil Songpa-gu Seoul KR 05636

RegisteredJun 4, 2017

Block range70:B3:D5:CB:30:00– 70:B3:D5:CB: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 →

Example addresses in this block

70:B3:D5:CB:30:00 70:B3:D5:CB:37:FF 70:B3:D5:CB:3F:FF

Where this block sits

Previous 70:B3:D5:CB:20:00 /36 SECLAB Next 70:B3:D5:CB:40:00 /36 Planewave Instruments

The nearest registered blocks of the same size on either side of this one in IEEE's address space.

KST technology holds 21 registered blocks in the IEEE registry, ranking #166 of 33,421 organizations by block count.

Other blocks registered to KST technology

4C:AB:33:00:00:00 /24 MA-L 00:50:C2:FF:80:00 /36 IAB 40:D8:55:18:60:00 /36 IAB 70:B3:D5:01:20:00 /36 MA-S 70:B3:D5:0A:B0:00 /36 MA-S 70:B3:D5:20:B0:00 /36 MA-S 70:B3:D5:35:10:00 /36 MA-S 70:B3:D5:3D:B0:00 /36 MA-S 70:B3:D5:7F:40:00 /36 MA-S 70:B3:D5:86:10:00 /36 MA-S 70:B3:D5:8A:50:00 /36 MA-S 70:B3:D5:8B:B0:00 /36 MA-S