ssid.aiAPI

ON SOFTWARE INTERNATIONAL LIMITED

Any device whose MAC address begins with 00:19:42 has a network interface built by ON SOFTWARE INTERNATIONAL LIMITED. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix
00:19:42
Organization
ON SOFTWARE INTERNATIONAL LIMITED
Address
9F, NO. 17, SEC. 1, CHENG-TE RD. TAIPEI TW 103
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.

Assignment history (1)

The IEEE registry publishes current state only — this is the change record we've kept since we started tracking it daily.

  1. 2026-07-17Assigned to "ON SOFTWARE INTERNATIONAL LIMITED"