What this means
The IEEE assigned the MA-L block 001263 to Data Voice Technologies GmbH. 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 00:12:63, it is Data Voice Technologies GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix 001263?
001263 is registered to Data Voice Technologies GmbH 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. Data Voice Technologies GmbH's block covers 16,777,216 addresses.
What devices use 001263?
Any network device with a MAC address starting 00:12:63 was manufactured by or for Data Voice Technologies GmbH.