What this means
The IEEE assigned the MA-L block 00261D to COP SECURITY SYSTEM CORP.. 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 00:26:1D, it is COP SECURITY SYSTEM CORP. hardware.
Frequently Asked Questions
Who owns MAC prefix 00261D?
00261D is registered to COP SECURITY SYSTEM CORP. 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. COP SECURITY SYSTEM CORP.'s block covers 16,777,216 addresses.
What devices use 00261D?
Any network device with a MAC address starting 00:26:1D was manufactured by or for COP SECURITY SYSTEM CORP..