What this means
The IEEE assigned the MA-L block CCD9E9 to SCR Engineers 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:D9:E9, it is SCR Engineers Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix CCD9E9?
CCD9E9 is registered to SCR Engineers Ltd. in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. SCR Engineers Ltd.'s block covers 16,777,216 addresses.
What devices use CCD9E9?
Any network device with a MAC address starting CC:D9:E9 was manufactured by or for SCR Engineers Ltd..