What this means
The IEEE assigned the MA-L block 001903 to Bigfoot Networks 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 00:19:03, it is Bigfoot Networks Inc hardware.
Frequently Asked Questions
Who owns MAC prefix 001903?
001903 is registered to Bigfoot Networks 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. Bigfoot Networks Inc's block covers 16,777,216 addresses.
What devices use 001903?
Any network device with a MAC address starting 00:19:03 was manufactured by or for Bigfoot Networks Inc.