What this means
The IEEE assigned the MA-L block 00042F to International Communications Products, 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 00:04:2F, it is International Communications Products, Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix 00042F?
00042F is registered to International Communications Products, 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. International Communications Products, Inc.'s block covers 16,777,216 addresses.
What devices use 00042F?
Any network device with a MAC address starting 00:04:2F was manufactured by or for International Communications Products, Inc..