A-TEC Subsystem INC. MAC Addresses

Primary OUI: 00:16:67:
Total OUIs: 2
Last Updated: July 3, 2026

This page provides information about MAC addresses and OUIs assigned to A-TEC Subsystem INC.. The Organizationally Unique Identifier (OUI) is the first 24 bits of a MAC address and is assigned by the IEEE to uniquely identify a vendor or manufacturer.

About A-TEC Subsystem INC. MAC Addresses

MAC addresses beginning with 00:16:67: are manufactured by A-TEC Subsystem INC.. When you see a device on your network with this OUI prefix, it indicates that the device was manufactured by A-TEC Subsystem INC..

The IEEE assigns OUI prefixes to manufacturers to ensure uniqueness in the global networking ecosystem. A-TEC Subsystem INC. has been assigned the OUI prefix 001667 (among others) for use in their network devices.

Common A-TEC Subsystem INC. Devices

Devices manufactured by A-TEC Subsystem INC. that you might encounter on networks include:

  • Network interface cards (NICs)
  • Routers and switches
  • Wireless access points
  • IoT devices
  • Embedded systems
  • And other networking equipment

Identifying A-TEC Subsystem INC. Devices on Your Network

To identify A-TEC Subsystem INC. devices on your network:

  1. Use network scanning tools to list devices on your network
  2. Look for MAC addresses starting with any of the OUI prefixes listed in the sidebar
  3. Use our MAC address lookup tool to confirm the manufacturer

This can be particularly helpful for network inventory, troubleshooting, and security auditing.

MAC Address Format

A complete MAC address consists of 48 bits (6 bytes) and is typically represented in hexadecimal format with each byte separated by a colon or a hyphen. For A-TEC Subsystem INC. devices, the MAC address would look like:

00:16:67:XX:XX:XX

The first three bytes (00:16:67) identify the manufacturer as A-TEC Subsystem INC., while the last three bytes are unique to each device.

A-TEC Subsystem INC. OUI Prefixes

Lookup a MAC Address

Need to identify a different device? Use our MAC address lookup tool to find the manufacturer of any network device.