Cambridge Industries Group (CIG) MAC Addresses
This page provides information about MAC addresses and OUIs assigned to Cambridge Industries Group (CIG). 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 Cambridge Industries Group (CIG) MAC Addresses
MAC addresses beginning with 00:0B:40: are manufactured by Cambridge Industries Group (CIG). When you see a device on your network with this OUI prefix, it indicates that the device was manufactured by Cambridge Industries Group (CIG).
The IEEE assigns OUI prefixes to manufacturers to ensure uniqueness in the global networking ecosystem. Cambridge Industries Group (CIG) has been assigned the OUI prefix 000B40 (among others) for use in their network devices.
Common Cambridge Industries Group (CIG) Devices
Devices manufactured by Cambridge Industries Group (CIG) 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 Cambridge Industries Group (CIG) Devices on Your Network
To identify Cambridge Industries Group (CIG) devices on your network:
- Use network scanning tools to list devices on your network
- Look for MAC addresses starting with any of the OUI prefixes listed in the sidebar
- 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 Cambridge Industries Group (CIG) devices, the MAC address would look like:
00:0B:40:XX:XX:XX
The first three bytes (00:0B:40) identify the manufacturer as Cambridge Industries Group (CIG), while the last three bytes are unique to each device.