HONEYWELL-DATING

Any device whose MAC address begins with 00:90:30 has a network interface built by HONEYWELL-DATING. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:90:30

Organization

HONEYWELL-DATING

Address

VIA TINTORETTO, 15 21012 CASSANO MAGNAGO (VA) IT

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.