What this means
The IEEE assigned the MA-M block 8C147D7 to UrbanHello. 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 8C:14:7D:7, it is UrbanHello hardware.
Frequently Asked Questions
Who owns MAC prefix 8C147D7?
8C147D7 is registered to UrbanHello in the IEEE MA-M registry.
What does the MA-M registry type mean?
An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. UrbanHello's block covers 1,048,576 addresses.
What devices use 8C147D7?
Any network device with a MAC address starting 8C:14:7D:7 was manufactured by or for UrbanHello.