CLOUD NETWORK TECHNOLOGY SINGAPORE PTE. LTD.

MA-L

MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.

PrefixF4:28:9D:00:00:00 /24

Vendor addressB22 Building,NO.51 Tongle Road, Shajing Town, Jiangnan District, Nanning, Guangxi Province, China Nanning Guangxi CN 530007

Country🇨🇳 China

RegisteredAug 1, 2025

Block rangeF4:28:9D:00:00:00– F4:28:9D:FF:FF:FF

Address capacity16,777,216

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

F4:28:9D:00:00:00 F4:28:9D:7F:FF:FF F4:28:9D:FF:FF:FF

Where this block sits

Previous F4:28:96:00:00:00 /24 SPECTO PAINEIS ELETRONICOS LTDA

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

CLOUD NETWORK TECHNOLOGY SINGAPORE PTE. LTD. holds 61 registered blocks in the IEEE registry, ranking #59 of 33,427 organizations by block count.

Other blocks registered to CLOUD NETWORK TECHNOLOGY SINGAPORE PTE. LTD.

00:41:0E:00:00:00 /24 MA-L 04:68:74:00:00:00 /24 MA-L 08:A1:36:00:00:00 /24 MA-L 08:F9:7E:00:00:00 /24 MA-L 10:6F:D9:00:00:00 /24 MA-L 10:B1:DF:00:00:00 /24 MA-L 14:5A:41:00:00:00 /24 MA-L 14:9D:B0:00:00:00 /24 MA-L 14:AC:60:00:00:00 /24 MA-L 1C:98:C1:00:00:00 /24 MA-L 20:2B:20:00:00:00 /24 MA-L 2C:98:11:00:00:00 /24 MA-L