What this means
The IEEE assigned the MA-M block CCE7DE2 to Octopus Energy Ltd. Every network interface they manufacture under this block has a MAC address beginning with these digits, followed by a unique per-device identifier. If a device on your network shows a MAC starting CC:E7:DE:2, it is Octopus Energy Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix CCE7DE2?
CCE7DE2 is registered to Octopus Energy Ltd in the IEEE MA-M registry.
What does the MA-M registry type mean?
An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. Octopus Energy Ltd's block covers 1,048,576 addresses.
What devices use CCE7DE2?
Any network device with a MAC address starting CC:E7:DE:2 was manufactured by or for Octopus Energy Ltd.