What this means
The IEEE assigned the MA-L block 201E1D to HUAWEI TECHNOLOGIES CO.,LTD. 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 20:1E:1D, it is HUAWEI TECHNOLOGIES CO.,LTD hardware.
Frequently Asked Questions
Who owns MAC prefix 201E1D?
201E1D is registered to HUAWEI TECHNOLOGIES CO.,LTD 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. HUAWEI TECHNOLOGIES CO.,LTD's block covers 16,777,216 addresses.
What devices use 201E1D?
Any network device with a MAC address starting 20:1E:1D was manufactured by or for HUAWEI TECHNOLOGIES CO.,LTD.