macadress

SHENZHEN GUANGWEN INDUSTRIAL 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:E7:90:00 /36
Vendor addressRoom No.401, NO.2 Building,No.1310 Guan Guang Road .Ku Keng, Ku Keng Community, Guanlan Street, Longhua District, Shenzhen City SHENZHEN Guangdong CN 518000
Country🇨🇳  China
RegisteredJun 8, 2023
Block range8C:1F:64:E7:90:00– 8C:1F:64:E7:9F: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. Jun 8, 2023 – Jun 9, 2023 SHENZHEN GUANGWEN INDUSTRIAL CO.,LTD(????) name changedaddress changed
  2. Jun 9, 2023 – present SHENZHEN GUANGWEN INDUSTRIAL CO.,LTD

Example addresses in this block

8C:1F:64:E7:90:00 8C:1F:64:E7:97:FF 8C:1F:64:E7:9F:FF

Where this block sits

Previous 8C:1F:64:E7:80:00 /36 ELETTRONICA ADRIATICA SRL Next 8C:1F:64:E7:B0:00 /36 Dongguan Pengchen Earth Instrument CO. LT

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

SHENZHEN GUANGWEN INDUSTRIAL CO.,LTD holds 1 registered blocks in the IEEE registry, ranking #26,464 of 33,427 organizations by block count.