What this means
The IEEE assigned the MA-L block 54138F to GEOIDE Crypto&Com. 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 54:13:8F, it is GEOIDE Crypto&Com hardware.
Frequently Asked Questions
Who owns MAC prefix 54138F?
54138F is registered to GEOIDE Crypto&Com 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. GEOIDE Crypto&Com's block covers 16,777,216 addresses.
What devices use 54138F?
Any network device with a MAC address starting 54:13:8F was manufactured by or for GEOIDE Crypto&Com.