What this means
The IEEE assigned the MA-L block 10B1DF to CLOUD NETWORK TECHNOLOGY SINGAPORE PTE. 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 10:B1:DF, it is CLOUD NETWORK TECHNOLOGY SINGAPORE PTE. LTD. hardware.
Frequently Asked Questions
Who owns MAC prefix 10B1DF?
10B1DF is registered to CLOUD NETWORK TECHNOLOGY SINGAPORE PTE. 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. CLOUD NETWORK TECHNOLOGY SINGAPORE PTE. LTD.'s block covers 16,777,216 addresses.
What devices use 10B1DF?
Any network device with a MAC address starting 10:B1:DF was manufactured by or for CLOUD NETWORK TECHNOLOGY SINGAPORE PTE. LTD..