What this means
The IEEE assigned the MA-L block 000C1F to Glimmerglass Networks. 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 00:0C:1F, it is Glimmerglass Networks hardware.
Frequently Asked Questions
Who owns MAC prefix 000C1F?
000C1F is registered to Glimmerglass Networks 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. Glimmerglass Networks's block covers 16,777,216 addresses.
What devices use 000C1F?
Any network device with a MAC address starting 00:0C:1F was manufactured by or for Glimmerglass Networks.