What this means
The IEEE assigned the MA-L block 0C2756 to RONGCHEENG GOER TECHNOLOGY CO.,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 0C:27:56, it is RONGCHEENG GOER TECHNOLOGY CO.,LTD. hardware.
Frequently Asked Questions
Who owns MAC prefix 0C2756?
0C2756 is registered to RONGCHEENG GOER TECHNOLOGY CO.,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. RONGCHEENG GOER TECHNOLOGY CO.,LTD.'s block covers 16,777,216 addresses.
What devices use 0C2756?
Any network device with a MAC address starting 0C:27:56 was manufactured by or for RONGCHEENG GOER TECHNOLOGY CO.,LTD..