What this means
The IEEE assigned the MA-L block 027001 to RACAL-DATACOM. 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 02:70:01, it is RACAL-DATACOM hardware.
Frequently Asked Questions
Who owns MAC prefix 027001?
027001 is registered to RACAL-DATACOM 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. RACAL-DATACOM's block covers 16,777,216 addresses.
What devices use 027001?
Any network device with a MAC address starting 02:70:01 was manufactured by or for RACAL-DATACOM.