ProCurve Networking by HP

Any device whose MAC address begins with 00:25:61 has a network interface built by ProCurve Networking by HP. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:25:61

Organization

ProCurve Networking by HP

Address

60 Alexandra Terrace 0000 SG 118502

Source

IEEE OUI registry

Have a full MAC address? Look it up— we'll also tell you if it's a randomized (private) address rather than a real manufacturer prefix.