What this means

The IEEE assigned the MA-L block 94EAEA to TELLESCOM INDUSTRIA E COMERCIO EM TELECOMUNICACAO. 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 94:EA:EA, it is TELLESCOM INDUSTRIA E COMERCIO EM TELECOMUNICACAO hardware.