What this means
The IEEE assigned the MA-L block 041CDB to Siba Service. 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 04:1C:DB, it is Siba Service hardware.
Frequently Asked Questions
Who owns MAC prefix 041CDB?
041CDB is registered to Siba Service 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. Siba Service's block covers 16,777,216 addresses.
What devices use 041CDB?
Any network device with a MAC address starting 04:1C:DB was manufactured by or for Siba Service.