MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix70:B3:D5:F2:20:00 /36
Vendor address3766 Nanhuan Road, Binjiang Hangzhou CN 310051
RegisteredAug 12, 2018
Block range70:B3:D5:F2:20:00– 70:B3:D5:F2:2F: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 →

Ownership timeline

  1. Aug 12, 2018 – Jun 3, 2023 Shengli Financial Software Development name changed
  2. Jun 3, 2023 – present Shengli Technologies

Example addresses in this block

Where this block sits

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

Shengli Technologies holds 2 registered blocks in the IEEE registry, ranking #2,969 of 33,421 organizations by block count.

Other blocks registered to Shengli Technologies