What this means
The IEEE assigned the MA-L block 00119B to Telesynergy Research Inc.. 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 00:11:9B, it is Telesynergy Research Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix 00119B?
00119B is registered to Telesynergy Research Inc. 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. Telesynergy Research Inc.'s block covers 16,777,216 addresses.
What devices use 00119B?
Any network device with a MAC address starting 00:11:9B was manufactured by or for Telesynergy Research Inc..