China Information Technology Designing &Consulting Institute Co.,Ltd.

MA-S

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

Prefix8C:1F:64:FA:40:00 /36

Vendor addressNO.9, Shouti Nanlu, Haidian District Beijing Beijing CN 100048

RegisteredJan 7, 2023

Block range8C:1F:64:FA:40:00– 8C:1F:64:FA: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

8C:1F:64:FA:40:00 8C:1F:64:FA:47:FF 8C:1F:64:FA:4F:FF

Where this block sits

Previous 8C:1F:64:FA:20:00 /36 AZD Praha s.r.o., ZOZ Olomouc Next 8C:1F:64:FA:50:00 /36 Frazer-Nash Consultancy

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

China Information Technology Designing &Consulting Institute Co.,Ltd. holds 2 registered blocks in the IEEE registry, ranking #1,727 of 33,427 organizations by block count.