JL World Corporation Limited

MA-S

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

Prefix70:B3:D5:D5:40:00 /36

Vendor addressUnit 20, 5/F., Block B, Proficient Industrial Centre Kowloon Bay HK 0000

RegisteredSep 11, 2017

Block range70:B3:D5:D5:40:00– 70:B3:D5:D5:4F: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:D5:40:00 70:B3:D5:D5:47:FF 70:B3:D5:D5:4F:FF

Where this block sits

Previous 70:B3:D5:D5:30:00 /36 BeiLi eTek (Zhangjiagang) Co., Ltd. Next 70:B3:D5:D5:50:00 /36 WM Design s.r.o

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

JL World Corporation Limited holds 1 registered blocks in the IEEE registry, ranking #17,224 of 33,427 organizations by block count.