Who owns MAC prefix 74819A?

74819A is registered to PT. Hartono Istana Teknologi in the IEEE MA-L registry.

What devices use 74819A?

Any network device with a MAC address starting 74:81:9A was manufactured by or for PT. Hartono Istana Teknologi.

MA-L · OUI prefix

PT. Hartono Istana Teknologi

Any MAC address starting 74:81:9A is registered to PT. Hartono Istana Teknologi in ID.

OUI prefix	74819A
Vendor	PT. Hartono Istana Teknologi
Registry	MA-L (24-bit, large block)
Country	ID
Example MAC	74:81:9A:00:00:00

What this means

The IEEE assigned the MA-L block 74819A to PT. Hartono Istana Teknologi. 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 74:81:9A, it is PT. Hartono Istana Teknologi hardware.

Other PT. Hartono Istana Teknologi prefixes

PT. Hartono Istana Teknologi holds 2 registered blocks in total.

9C5385

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