МАС Address lookup говорит "Telink Semiconductor (Taipei) Co. Ltd."
На дальнейшие вопросы гугл отвечает
"That specific device is an automated Bluetooth Low Energy (BLE) transit passenger beacon deployed as part of Russia’s smart city infrastructure initiatives. In major Russian transport networks (such as Moscow's Mosgortrans, Saint Petersburg's Pasavtotrans, or Novosibirsk’s municipal networks), these nodes are integrated directly into "Smart Bus Stops" (Умная остановка)"
PS. не откручивайте, какая в нём корысть?
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