KST technology
MA-S
MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix70:B3:D5:8A:50:00 /36
Vendor addressKST B/D 4-5, Wiryeseong-daero 12-gil Songpa-gu Seoul KR 05636
Country🇰🇷 South Korea
Block range70:B3:D5:8A:50:00– 70:B3:D5:8A:5F: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
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:D5:8B:B0:00 /36
MA-S
70:B3:D5:C0:50:00 /36
MA-S