Who owns MAC prefix F4B5BB?

F4B5BB is registered to CERAGON NETWORKS in the IEEE MA-L registry.

What devices use F4B5BB?

Any network device with a MAC address starting F4:B5:BB was manufactured by or for CERAGON NETWORKS.

MA-L · OUI prefix

CERAGON NETWORKS

Any MAC address starting F4:B5:BB is registered to CERAGON NETWORKS in IL.

OUI prefix	F4B5BB
Vendor	CERAGON NETWORKS
Registry	MA-L (24-bit, large block)
Country	IL
Example MAC	F4:B5:BB:00:00:00

What this means

The IEEE assigned the MA-L block F4B5BB to CERAGON NETWORKS. Every network interface they manufacture under this block has a MAC address beginning with these digits, followed by a unique per-device identifier. If a device on your network shows a MAC starting F4:B5:BB, it is CERAGON NETWORKS hardware.

Other CERAGON NETWORKS prefixes

CERAGON NETWORKS holds 3 registered blocks in total.

000A25 3C4CD0

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