macadress

Ruijie Networks Co.,LTD

MA-M
MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixF4:3A:FA:20:00:00 /28
Vendor addressBuilding 19,Juyuanzhou Industrial Park, No.618 Jinshan Avenue, Cangshan District Fuzhou CN 35000
Country🇨🇳  China
RegisteredAug 17, 2024
Block rangeF4:3A:FA:20:00:00– F4:3A:FA:2F:FF:FF
Address capacity1,048,576
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 17, 2024 – Jul 30, 2026 Private name changedaddress changedcountry changed
  2. Jul 30, 2026 – present Ruijie Networks Co.,LTD

Example addresses in this block

F4:3A:FA:20:00:00 F4:3A:FA:27:FF:FF F4:3A:FA:2F:FF:FF

Where this block sits

Previous F4:3A:FA:10:00:00 /28 Dspread Technology (Beijing) Inc. Next F4:3A:FA:30:00:00 /28 Jiaxing Haishijiaan Smartcity Technology CO., LTD.

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

Ruijie Networks Co.,LTD holds 34 registered blocks in the IEEE registry, ranking #103 of 33,421 organizations by block count.

Other blocks registered to Ruijie Networks Co.,LTD

00:74:9C:00:00:00 /24 MA-L 10:5F:02:00:00:00 /24 MA-L 10:82:3D:00:00:00 /24 MA-L 14:14:4B:00:00:00 /24 MA-L 28:D0:F5:00:00:00 /24 MA-L 30:0D:9E:00:00:00 /24 MA-L 48:81:D4:00:00:00 /24 MA-L 4C:49:68:00:00:00 /24 MA-L 54:16:51:00:00:00 /24 MA-L 54:23:E3:00:00:00 /24 MA-L 58:69:6C:00:00:00 /24 MA-L 58:B4:BB:00:00:00 /24 MA-L