Who owns MAC prefix 002561?

002561 is registered to ProCurve Networking by HP in the IEEE MA-L registry.

What devices use 002561?

Any network device with a MAC address starting 00:25:61 was manufactured by or for ProCurve Networking by HP.

MA-L · OUI prefix

ProCurve Networking by HP

Any MAC address starting 00:25:61 is registered to ProCurve Networking by HP in SG.

OUI prefix	002561
Vendor	ProCurve Networking by HP
Registry	MA-L (24-bit, large block)
Country	SG
Example MAC	00:25:61:00:00:00

What this means

The IEEE assigned the MA-L block 002561 to ProCurve Networking by HP. 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 00:25:61, it is ProCurve Networking by HP hardware.

Other ProCurve Networking by HP prefixes

ProCurve Networking by HP holds 9 registered blocks in total.

0016B9 001B3F 002347 0024A8 0026F1 B439D6 C09134 F06281

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