ES Industrial Systems Co., Ltd.

MA-S

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

Prefix70:B3:D5:9E:00:00 /36

Vendor addressB-dong, 12, Baekseokgongdan 3-gil, Seobuk-gu, Cheonan-si, Chungcheongnam-do Cheonan-si Chungcheongnam-do KR 31094

Country🇰🇷 South Korea

RegisteredFeb 21, 2016

Block range70:B3:D5:9E:00:00– 70:B3:D5:9E: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:D5:9E:00:00 70:B3:D5:9E:07:FF 70:B3:D5:9E:0F:FF

Where this block sits

Previous 70:B3:D5:9D:F0:00 /36 DOBE Computing Next 70:B3:D5:9E:10:00 /36 Bolide Technology Group, Inc.

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

ES Industrial Systems Co., Ltd. holds 1 registered blocks in the IEEE registry, ranking #12,055 of 33,427 organizations by block count.