Who owns MAC prefix 581243?

581243 is registered to AcSiP Technology Corp. in the IEEE MA-L registry.

What devices use 581243?

Any network device with a MAC address starting 58:12:43 was manufactured by or for AcSiP Technology Corp..

MA-L · OUI prefix

AcSiP Technology Corp.

Any MAC address starting 58:12:43 is registered to AcSiP Technology Corp. in TW.

OUI prefix	581243
Vendor	AcSiP Technology Corp.
Registry	MA-L (24-bit, large block)
Country	TW
Example MAC	58:12:43:00:00:00

What this means

The IEEE assigned the MA-L block 581243 to AcSiP Technology Corp.. 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 58:12:43, it is AcSiP Technology Corp. hardware.

Other AcSiP Technology Corp. prefixes

AcSiP Technology Corp. holds 6 registered blocks in total.

0026FC 5CE2F4 689C5E 8CB864 9C65F9

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