I got so surpzied no easy way find so far to find "devices that connected to my Google Routers", i.e., I wanna check IP of my connected NAS.
I heard there used to be a app called Google Wifi seems can do it but not in the Google home anymore, is it correct?
You can do it in the Google Home app too. From the Google Home home, go to Wi-Fi (icon), then devices.
If you don't see a Wi-Fi icon in your Google Home app, do tell.
If the device in question is not connected to Nest Wifi, but a modem/ router before the primary/ main Nest Wifi, Nest Wifi won't see it.