Who owns MAC prefix F4A4541?

F4A4541 is registered to PT Telkom Indonesia in the IEEE MA-M registry.

What devices use F4A4541?

Any network device with a MAC address starting F4:A4:54:1 was manufactured by or for PT Telkom Indonesia.

MA-M · OUI prefix

PT Telkom Indonesia

Any MAC address starting F4:A4:54:1 is registered to PT Telkom Indonesia in ID.

OUI prefix	F4A4541
Vendor	PT Telkom Indonesia
Registry	MA-M (28-bit, medium block)
Country	ID
Example MAC	F4:A4:54:1:00:00:00

What this means

The IEEE assigned the MA-M block F4A4541 to PT Telkom Indonesia. 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:A4:54:1, it is PT Telkom Indonesia hardware.

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