What this means
The IEEE assigned the MA-L block EC0441 to ShenZhen TIGO Semiconductor 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 EC:04:41, it is ShenZhen TIGO Semiconductor Co., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix EC0441?
EC0441 is registered to ShenZhen TIGO Semiconductor 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. ShenZhen TIGO Semiconductor Co., Ltd.'s block covers 16,777,216 addresses.
What devices use EC0441?
Any network device with a MAC address starting EC:04:41 was manufactured by or for ShenZhen TIGO Semiconductor Co., Ltd..