What this means
The IEEE assigned the MA-L block B45CA4 to Thing-talk Wireless Communication Technologies Corporation Limited. 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 B4:5C:A4, it is Thing-talk Wireless Communication Technologies Corporation Limited hardware.
Frequently Asked Questions
Who owns MAC prefix B45CA4?
B45CA4 is registered to Thing-talk Wireless Communication Technologies Corporation Limited 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. Thing-talk Wireless Communication Technologies Corporation Limited's block covers 16,777,216 addresses.
What devices use B45CA4?
Any network device with a MAC address starting B4:5C:A4 was manufactured by or for Thing-talk Wireless Communication Technologies Corporation Limited.